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Calendar of Events
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Everyone is welcome to attend our programs, walks and events, you don't need to be an Audubon member. Our field trips and bird walks are free of charge and open to the public.
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February 2025
ZVAS Monthly Program via Zoom:
Minnesota's Sax-Zim Bog & the "Invasion of the Vole Snatchers"
Presented by Sparky Stensaas
Tuesday February 25, 2025 / 7- 8:15 pm
After an Introduction to the Sax-Zim Bog and why it's the "magic mix" for boreal birds, we'll learn about the Invasion each winter of "vole snatchers": Great Gray Owls, Hawk Owls, Boreal Owls, Northern Shrikes, hawks, ermine, marten, fox, coyote and more survive and thrive on a diet of voles. And we'll also enjoy some HD video of these critters actually snatching voles. We'll also touch on the work of Friends of Sax-Zim Bog to preserve over 4,000 acres of bog lands for future generations of birds and birders.
Sparky Stensaas is the founder and executive director of Friends of Sax-Zim Bog (www.SaxZim.org) a non-profit to preserve bog lands for future generations of birds and birders. A birder since age 13, Sparky is also a naturalist, publisher, wildlife photographer and now YouTuber (really?). He is the author of 6 books on the natural history of the North Woods. Sparky, his wife, Bridget, and two sons, Birk and Bjorn make their home under the big pines in the Nemadji Valley of Carlton County, Minnesota.You can see more of Sparky's images at www.ThePhotoNaturalist.com and his videos on YouTube “Sparky Stensaas”
Log in link: https://us02web.zoom.us/j/88393595354?pwd=y4TPsvrVQ0H24EQks7YnuAJdxKSC21.1
Meeting ID: 883 9359 5354
Passcode: 866506
This online program is free and open to the public but limited to the first 100 people who log in.
Minnesota's Sax-Zim Bog & the "Invasion of the Vole Snatchers"
Presented by Sparky Stensaas
Tuesday February 25, 2025 / 7- 8:15 pm
After an Introduction to the Sax-Zim Bog and why it's the "magic mix" for boreal birds, we'll learn about the Invasion each winter of "vole snatchers": Great Gray Owls, Hawk Owls, Boreal Owls, Northern Shrikes, hawks, ermine, marten, fox, coyote and more survive and thrive on a diet of voles. And we'll also enjoy some HD video of these critters actually snatching voles. We'll also touch on the work of Friends of Sax-Zim Bog to preserve over 4,000 acres of bog lands for future generations of birds and birders.
Sparky Stensaas is the founder and executive director of Friends of Sax-Zim Bog (www.SaxZim.org) a non-profit to preserve bog lands for future generations of birds and birders. A birder since age 13, Sparky is also a naturalist, publisher, wildlife photographer and now YouTuber (really?). He is the author of 6 books on the natural history of the North Woods. Sparky, his wife, Bridget, and two sons, Birk and Bjorn make their home under the big pines in the Nemadji Valley of Carlton County, Minnesota.You can see more of Sparky's images at www.ThePhotoNaturalist.com and his videos on YouTube “Sparky Stensaas”
Log in link: https://us02web.zoom.us/j/88393595354?pwd=y4TPsvrVQ0H24EQks7YnuAJdxKSC21.1
Meeting ID: 883 9359 5354
Passcode: 866506
This online program is free and open to the public but limited to the first 100 people who log in.
March 2025
ZVAS Monthly Bird Walk
Saturday, March 1, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, March 1, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
International Festival of Owls
March 7 - 9, 2025 in Houston, MN
Visit our booth at the International Owl Festival - a one-of-a-kind event hosting speakers from around the globe, exhibits, live owls, and many, many fun things to do for the entire family! Get more information about all the events and ticket prices at http://www.festivalofowls.com/
March 7 - 9, 2025 in Houston, MN
Visit our booth at the International Owl Festival - a one-of-a-kind event hosting speakers from around the globe, exhibits, live owls, and many, many fun things to do for the entire family! Get more information about all the events and ticket prices at http://www.festivalofowls.com/
ZVAS Monthly Program via Zoom:
Randi Minetor presents:
How Birds Created the World ... and other stories
Tuesday, March 25, 2025 / 7- 8:15 pm
Ancient Egyptians believed that the Earth began as an egg laid by a giant goose. Ojibwe people of America’s northern plains tell of a Great Flood that swept away the world’s evils, and the bird that braved the deep waters to bring a bit of soil up from the bottom to restart the continent. European scientists once believed that geese survived the winters by turning themselves into barnacles and adhering to the bottoms of ships, transforming back into birds in spring. These and many other tales told in Randi Minetor’s latest book, The Complete Language of Birds, bring us back to a time when birds seemed like magical beings with the answers for so many of the world’s questions.
Bestselling author Randi Minetor writes the Birdfinding and Best Easy Bird Guides series for Falcon Guides/Globe Pequot Press and is the author of Backyard Birding and Butterfly Gardening for Lyons Press. Her most recent book, The Complete Language of Birds, is an encyclopedia that unites classic illustrations, science, folklore, and mythology about more than 400 bird species around the world. She writes for Birding Magazine, is a regional report editor for North American Birds, and has served for three years as president of the Rochester Birding Association in New York State.
Log in link: https://us02web.zoom.us/j/89874932659?pwd=KRaBXv3qH1puSVBIbRWKlM7QTb3TPy.1
Meeting ID: 898 7493 2659
Passcode: 859480
This online program is free and open to the public but limited to the first 100 people who log in.
Randi Minetor presents:
How Birds Created the World ... and other stories
Tuesday, March 25, 2025 / 7- 8:15 pm
Ancient Egyptians believed that the Earth began as an egg laid by a giant goose. Ojibwe people of America’s northern plains tell of a Great Flood that swept away the world’s evils, and the bird that braved the deep waters to bring a bit of soil up from the bottom to restart the continent. European scientists once believed that geese survived the winters by turning themselves into barnacles and adhering to the bottoms of ships, transforming back into birds in spring. These and many other tales told in Randi Minetor’s latest book, The Complete Language of Birds, bring us back to a time when birds seemed like magical beings with the answers for so many of the world’s questions.
Bestselling author Randi Minetor writes the Birdfinding and Best Easy Bird Guides series for Falcon Guides/Globe Pequot Press and is the author of Backyard Birding and Butterfly Gardening for Lyons Press. Her most recent book, The Complete Language of Birds, is an encyclopedia that unites classic illustrations, science, folklore, and mythology about more than 400 bird species around the world. She writes for Birding Magazine, is a regional report editor for North American Birds, and has served for three years as president of the Rochester Birding Association in New York State.
Log in link: https://us02web.zoom.us/j/89874932659?pwd=KRaBXv3qH1puSVBIbRWKlM7QTb3TPy.1
Meeting ID: 898 7493 2659
Passcode: 859480
This online program is free and open to the public but limited to the first 100 people who log in.
April 2025
ZVAS Monthly Bird Walk
Saturday, April 5, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, April 5, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Woodcock Walk
Thursday, April 10, 2025 / 7:30 pm - 9:00 pm at Chester Woods Park / Leader: Mike Degerstrom
Every spring the Woodcock perform one of the strangest and most interesting mating rituals. We will try to observe it up close, beginning at dusk. Meet in the horse corral parking lot at Chester Woods County Park (southeast of Rochester, MN) at 7:30 PM.
Thursday, April 10, 2025 / 7:30 pm - 9:00 pm at Chester Woods Park / Leader: Mike Degerstrom
Every spring the Woodcock perform one of the strangest and most interesting mating rituals. We will try to observe it up close, beginning at dusk. Meet in the horse corral parking lot at Chester Woods County Park (southeast of Rochester, MN) at 7:30 PM.
Volunteer for the Annual Midwest Crane Count
Saturday, April 12, 2025 / 5:30 - 7:30 am / Various assigned locations in Olmsted County
Each year, the International Crane Foundation organizes the Annual Midwest Crane Count, bringing together more than 2,000 volunteers to help track Sandhill and Whooping Cranes across the upper Midwest. On April 12th, volunteers will survey cranes from 5:30-7:30 a.m. at local wetlands and favorite birding spots, spanning over 150 counties in seven states, including Wisconsin, Illinois, Indiana, Iowa, Michigan, Ohio, and Minnesota.
We invite you to join this exciting citizen science event! To participate, contact Jim Sullivan, Olmsted County Coordinator, to be assigned a survey site and receive all the necessary instructions (basically you sit in one location and listen for cranes). This is a unique opportunity to contribute to crane conservation, learn about these incredible birds, and connect with nature.
Please remember: respect wildlife, maintain a safe distance, and never trespass on private property.
Ready to help? Contact Jim at (507) 254-4223, text preferred, or at olmstedbirders@gmail.com.
Saturday, April 12, 2025 / 5:30 - 7:30 am / Various assigned locations in Olmsted County
Each year, the International Crane Foundation organizes the Annual Midwest Crane Count, bringing together more than 2,000 volunteers to help track Sandhill and Whooping Cranes across the upper Midwest. On April 12th, volunteers will survey cranes from 5:30-7:30 a.m. at local wetlands and favorite birding spots, spanning over 150 counties in seven states, including Wisconsin, Illinois, Indiana, Iowa, Michigan, Ohio, and Minnesota.
We invite you to join this exciting citizen science event! To participate, contact Jim Sullivan, Olmsted County Coordinator, to be assigned a survey site and receive all the necessary instructions (basically you sit in one location and listen for cranes). This is a unique opportunity to contribute to crane conservation, learn about these incredible birds, and connect with nature.
Please remember: respect wildlife, maintain a safe distance, and never trespass on private property.
Ready to help? Contact Jim at (507) 254-4223, text preferred, or at olmstedbirders@gmail.com.
Armstrong Wetlands / Rice Lake State Park Field Trip
Saturday, April 12, 2025 / 8:30 am - early afternoon / Leaders: Terry & Joyce Grier
Meet in the Hy-Vee Barlow's south parking lot (nearest Civic Center Drive) at 8:30 am to car pool to the wetlands (about a 45 minute drive). Dress for the weather, bring your own binoculars, lunch, snacks and water. Trails are generally good at Rice Lake but be prepared for uneven ground and possibly muddy/wet areas. At Armstrong Wetlands we'll be parking on the edge of a gravel road. Between both locations we should see several kinds of waterfowl, shorebirds, herons, raptors, woodpeckers, and possibly Sand Hill Cranes. Note: Vehicles entering Rice Lake State Park park must have a MN State Park sticker or purchase a day pass. Note: this field trip may be cancelled if the wetlands are frozen or if it's raining/snowing.
Saturday, April 12, 2025 / 8:30 am - early afternoon / Leaders: Terry & Joyce Grier
Meet in the Hy-Vee Barlow's south parking lot (nearest Civic Center Drive) at 8:30 am to car pool to the wetlands (about a 45 minute drive). Dress for the weather, bring your own binoculars, lunch, snacks and water. Trails are generally good at Rice Lake but be prepared for uneven ground and possibly muddy/wet areas. At Armstrong Wetlands we'll be parking on the edge of a gravel road. Between both locations we should see several kinds of waterfowl, shorebirds, herons, raptors, woodpeckers, and possibly Sand Hill Cranes. Note: Vehicles entering Rice Lake State Park park must have a MN State Park sticker or purchase a day pass. Note: this field trip may be cancelled if the wetlands are frozen or if it's raining/snowing.
Rochester Reservoirs Field Trip
Saturday, April 19, 2025 / 7:30 am - Noon / Leader: Mike Degerstrom
Meet in the east parking lot at the RCTC Heintz Center, 1926 Collegeview Rd E, Rochester, MN 55904 to car pool. The flood control reservoirs around Rochester have created some of the best bird habitat in Olmsted County and are more often than not where local rarities are found. We will visit s few to see what we can turn up during migration. There will only be a few short walks totaling less than a mile. Bring a scope and binoculars if you have them.
Saturday, April 19, 2025 / 7:30 am - Noon / Leader: Mike Degerstrom
Meet in the east parking lot at the RCTC Heintz Center, 1926 Collegeview Rd E, Rochester, MN 55904 to car pool. The flood control reservoirs around Rochester have created some of the best bird habitat in Olmsted County and are more often than not where local rarities are found. We will visit s few to see what we can turn up during migration. There will only be a few short walks totaling less than a mile. Bring a scope and binoculars if you have them.
ZVAS Monthly Program - TBA
Tuesday, April 22, 2025 / 7- 8:15 pm
Watch for details to come.
Tuesday, April 22, 2025 / 7- 8:15 pm
Watch for details to come.
Evening Field Trip to Moon Valley WMA
Wednesday, April 23, 2025 / 6:00 - 8:00 pm / Leader: Mike Degertrom
Meet at 5:45 pm in the Kutzky Park parking lot (400 16th Ave NW Rochester, MN 55901) to car pool to the site near Genoa, MN (approx a 15 minute drive)
Join us for an evening visit to this new wildlife management area (WMA). This WMA has unique geology with small brooks emerging from hillsides and marsh marigolds following seepages down the hillsides. We may see migrating kinglets, sapsuckers, flickers, sparrows, early warblers and other birds. Perhaps we will hear owls as we conclude our walk. As with most WMAs, trails are limited and generally not maintained. Take precautions to avoid ticks. Wear sturdy footwear as we'll have to transverse a hill to leave the valley. This hike is a little more difficult than most of our outings, but we think it's worth it.
Wednesday, April 23, 2025 / 6:00 - 8:00 pm / Leader: Mike Degertrom
Meet at 5:45 pm in the Kutzky Park parking lot (400 16th Ave NW Rochester, MN 55901) to car pool to the site near Genoa, MN (approx a 15 minute drive)
Join us for an evening visit to this new wildlife management area (WMA). This WMA has unique geology with small brooks emerging from hillsides and marsh marigolds following seepages down the hillsides. We may see migrating kinglets, sapsuckers, flickers, sparrows, early warblers and other birds. Perhaps we will hear owls as we conclude our walk. As with most WMAs, trails are limited and generally not maintained. Take precautions to avoid ticks. Wear sturdy footwear as we'll have to transverse a hill to leave the valley. This hike is a little more difficult than most of our outings, but we think it's worth it.
ZVAS Monthly Program - Arbor Day
Friday, April 25, 2025 / 11 am - 1 pm / Three Links – Silver Lake Park, located at 840 7th St NE in Rochester (NOTE: location may be moved indoors if bad weather is forecast)
The annual celebration hosted by Rochester Public Utilities is open to the public. The festivities include live music, lunch, free trees, various vendors, and many family activities. Winners of the elementary school Arbor Day Poster Contest are also announced. ZVAS will be on hand with our Bird Wheel of Fortune and more. Find out more here: https://www.rpu.org/education-environment/annual-arbor-day-celebration.php#.
Friday, April 25, 2025 / 11 am - 1 pm / Three Links – Silver Lake Park, located at 840 7th St NE in Rochester (NOTE: location may be moved indoors if bad weather is forecast)
The annual celebration hosted by Rochester Public Utilities is open to the public. The festivities include live music, lunch, free trees, various vendors, and many family activities. Winners of the elementary school Arbor Day Poster Contest are also announced. ZVAS will be on hand with our Bird Wheel of Fortune and more. Find out more here: https://www.rpu.org/education-environment/annual-arbor-day-celebration.php#.
Bluebird Recovery Program EXPO 2025
Saturday, April 26, 2025 / 8:00 am - 4:00 pm / NOTE: There is a fee and you must register to attend this Expo
The Bluebird Recovery Program of MN (bbrp.org) is hosting its annual conference in Red Wing, MN at the Red Wing High School.
Three guest speakers will discuss conservation projects at the MN Zoo, planting to attract birds and what's going on at the National Eagle Center. They'll also have a panel of bluebird speakers to talk about how to deal with predators and problems for bluebirds. Several exhibitors (including ZVAS) will have booths with bird and environmental information available. Find out more and register to attend here: https://bbrp.org/2025-exp Ro-registration/
Saturday, April 26, 2025 / 8:00 am - 4:00 pm / NOTE: There is a fee and you must register to attend this Expo
The Bluebird Recovery Program of MN (bbrp.org) is hosting its annual conference in Red Wing, MN at the Red Wing High School.
Three guest speakers will discuss conservation projects at the MN Zoo, planting to attract birds and what's going on at the National Eagle Center. They'll also have a panel of bluebird speakers to talk about how to deal with predators and problems for bluebirds. Several exhibitors (including ZVAS) will have booths with bird and environmental information available. Find out more and register to attend here: https://bbrp.org/2025-exp Ro-registration/
Bird Walk at Root River County Park
Sunday, April 27, 2025 / 9:00 am - noon at Root River County Park / Leader: Sandy Hokanson
Located just south of Rochester near Simpson, Root River has a nice 2 mile loop walking trail and good diverse habitat for a wide variety of birds. We'll look for early-blooming wildflowers, newly arriving migrants like Golden-crowned Kinglets and Yellow-rumped Warblers, and other signs of spring. Dress for the weather. Meet in the parking lot near the picnic tables. Trails can be slippery when wet. This trip will be cancelled if it's raining harder than a light sprinkle.
Sunday, April 27, 2025 / 9:00 am - noon at Root River County Park / Leader: Sandy Hokanson
Located just south of Rochester near Simpson, Root River has a nice 2 mile loop walking trail and good diverse habitat for a wide variety of birds. We'll look for early-blooming wildflowers, newly arriving migrants like Golden-crowned Kinglets and Yellow-rumped Warblers, and other signs of spring. Dress for the weather. Meet in the parking lot near the picnic tables. Trails can be slippery when wet. This trip will be cancelled if it's raining harder than a light sprinkle.
May 2025
ZVAS Monthly Bird Walk
Saturday, May 3, 2025 / 9 am at Quarry Hill Nature Center / Leader: Sandy Hokanson
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, May 3, 2025 / 9 am at Quarry Hill Nature Center / Leader: Sandy Hokanson
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Earthfest 2025
Saturday, May 3, 2025 / 9:30 am - 2:30 pm
This year’s EarthFest Expo will be held at the St. Mary’s-Rochester Campus at Cascade Meadow (2900 19th St NW, Rochester, MN). They will be hosting fun events and activities for the entire family - both inside and out - including walks in the Wetlands. ZVAS will be there with our Bird Wheel and lots of information on native plants, birds and more. Plus, one of our bird experts will be guiding an early morning walk around the wetlands looking for waterfowl, shorebirds, sparrows and early arriving warblers. Get more details here: https://www.earthfestrochestermn.org/
Saturday, May 3, 2025 / 9:30 am - 2:30 pm
This year’s EarthFest Expo will be held at the St. Mary’s-Rochester Campus at Cascade Meadow (2900 19th St NW, Rochester, MN). They will be hosting fun events and activities for the entire family - both inside and out - including walks in the Wetlands. ZVAS will be there with our Bird Wheel and lots of information on native plants, birds and more. Plus, one of our bird experts will be guiding an early morning walk around the wetlands looking for waterfowl, shorebirds, sparrows and early arriving warblers. Get more details here: https://www.earthfestrochestermn.org/
Wildflower Walk at the Izaak Walton Wetlands
Saturday, May 3, 2025 / 1 - 3 pm / Leader: Sandy Hokanson
Meet at the Wetlands parking lot (overflow parking on edge of road - please carpool if possible). We'll circle the wetlands focusing on what's blooming (but we'll also point out the birds we see). We're hoping the Bluebells will be at their peak by this date. Dress for the weather. This area can be muddy/wet in places so wear appropriate footwear. Event will be cancelled if raining. Free and open to the public - no registration required
Saturday, May 3, 2025 / 1 - 3 pm / Leader: Sandy Hokanson
Meet at the Wetlands parking lot (overflow parking on edge of road - please carpool if possible). We'll circle the wetlands focusing on what's blooming (but we'll also point out the birds we see). We're hoping the Bluebells will be at their peak by this date. Dress for the weather. This area can be muddy/wet in places so wear appropriate footwear. Event will be cancelled if raining. Free and open to the public - no registration required
Bird Walks at Kutzky Park
Thursday, May 8 / 6:30 - 7:30 am / Leader: Mike Degerstrom
Kutzky Park near downtown Rochester comes alive with migrating warblers, vireos, orioles, and more every Spring. Join us for a walk at the peak of migration. Arrive and leave as your schedule requires. Walks start near the picnic shelter. Later arrivals can locate the group along the creek between 11th and 16th Ave NW. Additional dates & times may be added as migration starts.
Thursday, May 8 / 6:30 - 7:30 am / Leader: Mike Degerstrom
Kutzky Park near downtown Rochester comes alive with migrating warblers, vireos, orioles, and more every Spring. Join us for a walk at the peak of migration. Arrive and leave as your schedule requires. Walks start near the picnic shelter. Later arrivals can locate the group along the creek between 11th and 16th Ave NW. Additional dates & times may be added as migration starts.
Big Birding Day
May 10 / All Day /Leaders: Mike Degerstrom / Sandy Hokanson
This year’s event takes place at the peak of spring migration so we should see a wide variety of birds. We’ll survey several local habitats that include marshy wetlands, lake shore, woods and prairies. To participate simply show up at one of the locations listed below - no pre-registration needed. Event will be cancelled if it's raining more than a light sprinkle or if thunderstorms ar present.
Wetlands: 6:30 am – 7:45am
Meet in the Eastside WMA (County 9 Marsh) parking lot. We’ll look for waterfowl, rails, shorebirds, cranes and other birds from the observation deck before leaving to visit the Silver Creek Reservoir where we hope to see pelicans, cormorants and more.
Chester Woods: 8:00 am - noon
Meet in the boat landing parking lot. If you didn't go to the earlier walks we recommend you be at Chester Woods by 7:45 am in case we arrive early. Depending on how many people attend we may divide into two groups. Warblers, sparrows and other songbirds will be our focus. Be prepared for a 3 mile hike. Leaders will decide which trails offer the best possibilities for seeing birds. We’ll likely cover a combination of the Dam Overlook and North Trails.
Lunch: After the morning walks, we'll pause for lunch and to talk about our favorite finds at Picnic Shelter #1 in Chester Woods. Bring your own food and beverages.
Kutzky Park: 2:00 – 3:00 pm
Meet in the parking lot at 400 16th Ave NW in Rochester. We’ll walk along the creek looking for migrating warblers. This is often a good spot to see Northern Waterthrush as well as Baltimore Orioles and Rose-breasted Grosbeaks.
Izaak Walton Wetlands: 3:30 – 4:30 pm
Meet at the wetlands. Located on South Salem Rd, just south of the Weatherhill neighborhood. Park in the area marked or along the shoulder. We’ll circle the wetlands looking for all types of birds including warblers, herons, wood ducks, vireos and other songbirds.
Other notes: Come to one or all of the hikes. Come and go at your own schedule. This event is appropriate for teens - adults. Event takes place in light rain but will be canceled if thunderstorms are present. Bring binoculars, water, your own lunch/snacks and insect repellent if desired. Be prepared to hike over uneven ground.
May 10 / All Day /Leaders: Mike Degerstrom / Sandy Hokanson
This year’s event takes place at the peak of spring migration so we should see a wide variety of birds. We’ll survey several local habitats that include marshy wetlands, lake shore, woods and prairies. To participate simply show up at one of the locations listed below - no pre-registration needed. Event will be cancelled if it's raining more than a light sprinkle or if thunderstorms ar present.
Wetlands: 6:30 am – 7:45am
Meet in the Eastside WMA (County 9 Marsh) parking lot. We’ll look for waterfowl, rails, shorebirds, cranes and other birds from the observation deck before leaving to visit the Silver Creek Reservoir where we hope to see pelicans, cormorants and more.
Chester Woods: 8:00 am - noon
Meet in the boat landing parking lot. If you didn't go to the earlier walks we recommend you be at Chester Woods by 7:45 am in case we arrive early. Depending on how many people attend we may divide into two groups. Warblers, sparrows and other songbirds will be our focus. Be prepared for a 3 mile hike. Leaders will decide which trails offer the best possibilities for seeing birds. We’ll likely cover a combination of the Dam Overlook and North Trails.
Lunch: After the morning walks, we'll pause for lunch and to talk about our favorite finds at Picnic Shelter #1 in Chester Woods. Bring your own food and beverages.
Kutzky Park: 2:00 – 3:00 pm
Meet in the parking lot at 400 16th Ave NW in Rochester. We’ll walk along the creek looking for migrating warblers. This is often a good spot to see Northern Waterthrush as well as Baltimore Orioles and Rose-breasted Grosbeaks.
Izaak Walton Wetlands: 3:30 – 4:30 pm
Meet at the wetlands. Located on South Salem Rd, just south of the Weatherhill neighborhood. Park in the area marked or along the shoulder. We’ll circle the wetlands looking for all types of birds including warblers, herons, wood ducks, vireos and other songbirds.
Other notes: Come to one or all of the hikes. Come and go at your own schedule. This event is appropriate for teens - adults. Event takes place in light rain but will be canceled if thunderstorms are present. Bring binoculars, water, your own lunch/snacks and insect repellent if desired. Be prepared to hike over uneven ground.
Field Trip to Hok-si-la Park
Sunday, May 11 / 7:30 am to early afternoon / Leaders: Sandy Hokanson & Dave Gross
Meet at 7:30 am at the east parking lot of the RCTC Heintz Center, 1926 Collegeview Rd E, Rochester, MN 55904 to car pool to Lake City. (Or meet up with us in the parking lot at Hok-si-la at around 8:30 am.) Located along the Mississippi River, Hok-Si-La is a magnet for migrating birds. Bring water, a snack or a bag lunch and dress for the weather. We'll return mid-afternoon. This park has nice walking trails and good diverse habitat for a wide variety of birds. Event will be cancelled if raining more than a sprinkle. http://hoksilapark.org/
Sunday, May 11 / 7:30 am to early afternoon / Leaders: Sandy Hokanson & Dave Gross
Meet at 7:30 am at the east parking lot of the RCTC Heintz Center, 1926 Collegeview Rd E, Rochester, MN 55904 to car pool to Lake City. (Or meet up with us in the parking lot at Hok-si-la at around 8:30 am.) Located along the Mississippi River, Hok-Si-La is a magnet for migrating birds. Bring water, a snack or a bag lunch and dress for the weather. We'll return mid-afternoon. This park has nice walking trails and good diverse habitat for a wide variety of birds. Event will be cancelled if raining more than a sprinkle. http://hoksilapark.org/
Bird Walk at Assisi Heights
Saturday, May 17, 2025 / 8:30 - 10 am at Assisi Heights (park in Canticle Parking lot) 1001 14th St NW, Rochester, MN 55901 / Leaders: Sandy Hokanson & Sue Hayes
Join us on a casual walk in this beautiful area as we search for migrating warblers. Wear good hiking shoes and bring binoculars if you have them. In case of inclement weather, the walk may be canceled. NOTE: There is a $5 fee payable to Assisi Heights - and you must register for this event.
A link will be available on the Assisi Height Event Calendar in late April or early May here: https://rochesterfranciscan.org/events/
Saturday, May 17, 2025 / 8:30 - 10 am at Assisi Heights (park in Canticle Parking lot) 1001 14th St NW, Rochester, MN 55901 / Leaders: Sandy Hokanson & Sue Hayes
Join us on a casual walk in this beautiful area as we search for migrating warblers. Wear good hiking shoes and bring binoculars if you have them. In case of inclement weather, the walk may be canceled. NOTE: There is a $5 fee payable to Assisi Heights - and you must register for this event.
A link will be available on the Assisi Height Event Calendar in late April or early May here: https://rochesterfranciscan.org/events/
ZVAS Monthly Program - TBA
Tuesday May 27, 2025 / 7- 8:15 pm
Watch for details to come.
Tuesday May 27, 2025 / 7- 8:15 pm
Watch for details to come.
Bird Song Walk at Chester Woods
Saturday, May 31, 2025 (Date to be confirmed) / 6:45 - 9 am at Chester Woods Park / Leaders: TBA
Meet in the boat landing parking lot. With the Spring migration over, birds are busily defending territories, nesting, and raising young birds. The birds are difficult to see but very vocal. This trip will focus on learning many of the songs and calls of the local breeding birds.
Saturday, May 31, 2025 (Date to be confirmed) / 6:45 - 9 am at Chester Woods Park / Leaders: TBA
Meet in the boat landing parking lot. With the Spring migration over, birds are busily defending territories, nesting, and raising young birds. The birds are difficult to see but very vocal. This trip will focus on learning many of the songs and calls of the local breeding birds.
June 2025
ZVAS Monthly Bird Walk
Saturday, June 7, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, June 7, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
July 2025
ZVAS Monthly Bird Walk
Saturday, July 5, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, July 5, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
27th Annual Butterfly Count
Saturday, July 19, 2025 / All Day / Various Locations
Join us as we survey our region’s butterflies! Enjoy finding beautiful and delicate butterflies as we document their populations. Many eyes are needed to locate as many butterflies as possible during our official one day count. Participants in this Citizen Science project should have some experience with butterflies, be prepared for the weather, and be able to walk a mile or more on and off trails. Novices will be paired with an experienced team leader. Bring close-focusing binoculars or a digital camera with close-focusing capability. These are key to field identification of butterflies. Chester Woods has excellent habitat, so we’ll spend considerable time there. See past years’ results here.
For more information or to sign up for a specific time or area, contact Sandy Hokanson at 507-202-4283 or email editor@zumbrovalleyaudubon.org
Saturday, July 19, 2025 / All Day / Various Locations
Join us as we survey our region’s butterflies! Enjoy finding beautiful and delicate butterflies as we document their populations. Many eyes are needed to locate as many butterflies as possible during our official one day count. Participants in this Citizen Science project should have some experience with butterflies, be prepared for the weather, and be able to walk a mile or more on and off trails. Novices will be paired with an experienced team leader. Bring close-focusing binoculars or a digital camera with close-focusing capability. These are key to field identification of butterflies. Chester Woods has excellent habitat, so we’ll spend considerable time there. See past years’ results here.
For more information or to sign up for a specific time or area, contact Sandy Hokanson at 507-202-4283 or email editor@zumbrovalleyaudubon.org
August 2025
ZVAS Monthly Bird Walk
Saturday, August 2, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, August 2, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Bird Walk at Assisi Heights
Saturday, August 9, 2025 / 8:30 - 10 am at Assisi Heights (park in Canticle Parking lot) 1001 14th St NW, Rochester, MN 55901 / Leaders: Sandy Hokanson & Sue Hayes
Join us on a casual walk in this beautiful area as we search for migrating warblers. Wear good hiking shoes and bring binoculars if you have them. In case of inclement weather, the walk may be canceled. NOTE: There is a $5 fee payable to Assisi Heights - and you must register for this event.
A link will be available on the Assisi Height Event Calendar in late July or early August here: https://rochesterfranciscan.org/events/
Saturday, August 9, 2025 / 8:30 - 10 am at Assisi Heights (park in Canticle Parking lot) 1001 14th St NW, Rochester, MN 55901 / Leaders: Sandy Hokanson & Sue Hayes
Join us on a casual walk in this beautiful area as we search for migrating warblers. Wear good hiking shoes and bring binoculars if you have them. In case of inclement weather, the walk may be canceled. NOTE: There is a $5 fee payable to Assisi Heights - and you must register for this event.
A link will be available on the Assisi Height Event Calendar in late July or early August here: https://rochesterfranciscan.org/events/
Swift Sit at Assisi Heights
Friday, August 22, 2025 /7:30 - 9 pm at Assisi Heights (park in Canticle Parking lot) 1001 14th St NW, Rochester, MN 55901 / Leader: Sandy Hokanson
Each year citizen scientists count migrating Chimney Swifts that gather in large numbers to roost for the night at sites all over the United States. The large chimney at Assisi Heights is an important roosting spot for these birds and we’ve been invited to come watch and count the Swifts as they enter the chimney for the night. Bring a lawn chair, bug spray and binoculars. Note: Assisi Heights is private property and not open to the public – do not visit this site without permission. Rain date will be Saturday, August 23.
Friday, August 22, 2025 /7:30 - 9 pm at Assisi Heights (park in Canticle Parking lot) 1001 14th St NW, Rochester, MN 55901 / Leader: Sandy Hokanson
Each year citizen scientists count migrating Chimney Swifts that gather in large numbers to roost for the night at sites all over the United States. The large chimney at Assisi Heights is an important roosting spot for these birds and we’ve been invited to come watch and count the Swifts as they enter the chimney for the night. Bring a lawn chair, bug spray and binoculars. Note: Assisi Heights is private property and not open to the public – do not visit this site without permission. Rain date will be Saturday, August 23.
Monarch Tagging
Date to be determined / at Quarry Hill Nature Center
Hold a live Monarch Butterfly in your hand and tag it for its journey south to Mexico. You'll learn about their life cycle and have fun walking in the prairie to catch your Monarch for tagging. (We'll have some pre-caught monarchs ready as well). Come and go on your own schedule - we'll provide some nets. This activity is for all ages. Kids must be accompanied by an adult.
Date to be determined / at Quarry Hill Nature Center
Hold a live Monarch Butterfly in your hand and tag it for its journey south to Mexico. You'll learn about their life cycle and have fun walking in the prairie to catch your Monarch for tagging. (We'll have some pre-caught monarchs ready as well). Come and go on your own schedule - we'll provide some nets. This activity is for all ages. Kids must be accompanied by an adult.
September 2025
ZVAS Monthly Bird Walk
Saturday, September 6, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, September 6, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
ZVAS Monthly Program - TBA
Tuesday September 23, 2025 / 7- 8:15 pm
Watch for details to come.
Tuesday September 23, 2025 / 7- 8:15 pm
Watch for details to come.
October 2025
ZVAS Monthly Bird Walk
Saturday, October 4, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, October 4, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
ZVAS Monthly Program - TBA
Tuesday, October 28, 2025 / 7- 8:15 pm
Watch for details to come.
Tuesday, October 28, 2025 / 7- 8:15 pm
Watch for details to come.
November 2025
ZVAS Monthly Bird Walk
Saturday, November 1, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, November 1, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
ZVAS Monthly Program - TBA
Tuesday, November 25, 2025 / 7- 8:15 pm
Watch for details to come.
Tuesday, November 25, 2025 / 7- 8:15 pm
Watch for details to come.
December 2025
ZVAS Monthly Bird Walk
Saturday, December 6, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
Saturday, December 6, 2025 / 9 am at Quarry Hill Nature Center / Leaders: Terry & Joyce Grier
Join us on a casual walk around Quarry Hill Park. Meet by the Nature Center entrance. Bring binoculars if you have them. Dress for the weather. Stay for any length of time. Walks usually last 60 - 90 minutes. Free and open to the public - no registration required.
ZVAS Christmas Bird Count
Saturday, December 20, 2025 / Various locations - All Day
We'll meet at 7:15 a.m. at Silver Lake in Rochester near the old fire station to divide into teams. Each team will cover a section of the Rochester count circle. A mid-day tally will be held at Quarry Hill Nature Center from noon to 1 p.m. (bring your own lunch). An end-of-day tally will be held at the Nature Center starting around 4:45 p.m. All participants are invited to attend. This will be a light potluck supper with soup and bread provided. Some teams bird just in the morning, and some go out all day. Counting is done from the warmth of cars or on short hikes. Participants should dress for the weather and bring binoculars, field guides, and a pen or pencil. To pre-register or for more information contact Clifford Hansen at 507-281-0249 or clhroch@yahoo.com.
Saturday, December 20, 2025 / Various locations - All Day
We'll meet at 7:15 a.m. at Silver Lake in Rochester near the old fire station to divide into teams. Each team will cover a section of the Rochester count circle. A mid-day tally will be held at Quarry Hill Nature Center from noon to 1 p.m. (bring your own lunch). An end-of-day tally will be held at the Nature Center starting around 4:45 p.m. All participants are invited to attend. This will be a light potluck supper with soup and bread provided. Some teams bird just in the morning, and some go out all day. Counting is done from the warmth of cars or on short hikes. Participants should dress for the weather and bring binoculars, field guides, and a pen or pencil. To pre-register or for more information contact Clifford Hansen at 507-281-0249 or clhroch@yahoo.com.
Click to view upcoming programs at Whitewater State Park
Click to view upcoming programs at Quarry Hill Nature Center
Click for information about Olmsted County Parks
Click to view upcoming programs at the International Owl Center
Click to view upcoming programs at Quarry Hill Nature Center
Click for information about Olmsted County Parks
Click to view upcoming programs at the International Owl Center