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Upcoming Events

 
Field Trips and Events
North Pond Wednesday Bird Walks
Oct 15
North Pond Casting Pier
North Pond Wednesday Bird Walks
North Pond Casting Pier

In cooperation with Third Coast Birding and Peggy Notebaert Nature Museum, COS is proud to continue our long tradition of Wednesday morning bird walks at North Pond!

North Pond Casting Pier
Borbs and Forbs: Humboldt Park
Oct 18
Humboldt Park
Borbs and Forbs: Humboldt Park
Humboldt Park

RSVP Required

Borbs and Forbs is a monthly event for nature enthusiasts and those inspired to give back to our communities. Each month we will visit a Chicago Park to admire local birds and other fauna, followed by a stewardship day with the park's steward.

Humboldt Park
Montrose Point AND Dunes Stewardship Workday
Oct 18
Montrose Point Bird Sanctuary
Montrose Point AND Dunes Stewardship Workday
Montrose Point Bird Sanctuary

Join the stewards of Montrose Point Bird Sanctuary for a workday at one of the top bird watching spots in the country!

Montrose Point Bird Sanctuary
Big Marsh Stewardship Workday
Oct 18
Big Marsh Park
Big Marsh Stewardship Workday
Big Marsh Park

Join park staff for a workday at one of the top bird watching spots in the country; Big Marsh Park!

Big Marsh Park
Humboldt Park Sunday Social Bird Walk
Oct 19
Humboldt Park
Humboldt Park Sunday Social Bird Walk
Humboldt Park

RSVP Required

Join us as we explore Humboldt Park as migratory birds flock to this incredible green oasis in the surrounding urban environment.

Humboldt Park
COS in the Suburbs: Crabtree Nature Center
Oct 20
Crabtree Nature Center
COS in the Suburbs: Crabtree Nature Center
Crabtree Nature Center

RSVP Required

Experience fall migration in the northwest suburbs. A diversity of birds can be found in throughout prairie, woodland, and wetland habitats.

Crabtree Nature Center
North Pond Wednesday Bird Walks
Oct 22
North Pond Casting Pier
North Pond Wednesday Bird Walks
North Pond Casting Pier

In cooperation with Third Coast Birding and Peggy Notebaert Nature Museum, COS is proud to continue our long tradition of Wednesday morning bird walks at North Pond!

North Pond Casting Pier
Hawkwatch the Wall at Steelworkers Park
Oct 24
Steelworkers Park
Hawkwatch the Wall at Steelworkers Park
Steelworkers Park

RSVP Required

Join COS for a morning observing hawks migrating down the lake front from a unique vantage point - the top of the climbing wall.

Steelworkers Park
Montrose Point Bird Sanctuary
Oct 24
Montrose Point Bird Sanctuary
Montrose Point Bird Sanctuary
Montrose Point Bird Sanctuary

RSVP Required

Join us at Montrose for a morning of fall migration birding.

Montrose Point Bird Sanctuary
Cuba Marsh Forest Preserve Bird Walk
Oct 25
Cuba Marsh Forest Preserve
Cuba Marsh Forest Preserve Bird Walk
Cuba Marsh Forest Preserve

RSVP Required

Join COS and Lake County Audubon Society for a hike at Cuba Marsh.

Cuba Marsh Forest Preserve
LaBagh Woods Stewardship Workday
Oct 25
LaBagh Woods Grove #1
LaBagh Woods Stewardship Workday
LaBagh Woods Grove #1

Join us for a habitat restoration workday at COS’s flagship stewardship site LaBagh Woods, and help bring back critical bird habitat.

LaBagh Woods Grove #1
Piping Plover Cleanup
Oct 25
63rd Street Beach
Piping Plover Cleanup
63rd Street Beach

To prepare for the return of plovers to Chicago and help address some of the biggest threats to their habitat, we’re hitting the beach. Join us for a stewardship day as we tackle trash, invasive species, and anything else harming the fragile ecosystem.

63rd Street Beach

The Chicago Birder Blog

 
Blog
Field trip recap: Montrose Point
Field trip recap: Montrose Point

COS member Kris Hansen recaps the early morning bird walk at Montrose Bird Sanctuary on Oct. 3, 2025.

Field trip recap: Humboldt Park Sunday Social
Field trip recap: Humboldt Park Sunday Social

COS board member and trip leader Chris Holden recaps the Sunday Social at Humboldt Park on Sept. 29.

Field trip recap: Urban Birding Festival Walk at Busse Woods
Field trip recap: Urban Birding Festival Walk at Busse Woods

BOS board member and trip leader Vinod Babu recaps a rainy but ultimately successful bird walk at Busse Woods for the Urban Birding Festival.

Field trip recap: Humboldt Park during the Urban Birding Festival
Field trip recap: Humboldt Park during the Urban Birding Festival

COS board member Vinod Babu recaps the walk he led at Humboldt Park on Sept. 13 as part of the Urban Birding Festival.

Field Trip Recap: Sunrise Birding at Montrose
Field Trip Recap: Sunrise Birding at Montrose

COS member Steve Whitman recaps the sunrise bird walk at Montrose Point Bird Sanctuary on Sept. 7, including a historic bird.

Field Trip Recap: Nighthawks at Northerly Island
Field Trip Recap: Nighthawks at Northerly Island

COS member Steve Whitman recaps the Common Nighthawk watch at Northerly Island on Sept. 4.