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Upcoming Events

 
Field Trips and Events
Sunrise Bird Walk at Montrose Point
Apr 20
Montrose Point Bird Sanctuary
Sunrise Bird Walk at Montrose Point
Montrose Point Bird Sanctuary

RSVP Required

Join us at Montrose for spring migration birding at sunrise.

Montrose Point Bird Sanctuary
Beginner Birding at Jarvis Migratory Bird Sanctuary
Apr 20
Bill Jarvis Migratory Bird Sanctuary
Beginner Birding at Jarvis Migratory Bird Sanctuary
Bill Jarvis Migratory Bird Sanctuary

RSVP Required

This slow-paced morning observing birds at Jarvis is just for beginners.

Bill Jarvis Migratory Bird Sanctuary
Beginner Bird Walk at Washington Park
Apr 20
Washington Park
Beginner Bird Walk at Washington Park
Washington Park

RSVP Required

End the daylight hours with at Washington Park at this trip specifically for beginners.

Washington Park
North Pond Wednesday Bird Walks
Apr 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
City Nature Challenge 2026
Apr 24
City Nature Challenge 2026

COS is excited to once again be a co-organizer of the Chicago area team in this year’s City Nature Challenge!

Beginner Bird Walk: Montrose Point
Apr 26
Beginner Bird Walk: Montrose Point

RSVP Required

Join us at Montrose to learn about birding basics this spring.

COS - Park 566 Walk
Apr 26
Park 566
COS - Park 566 Walk
Park 566

RSVP Required

Join us as we explore Park 566 and nearby Rainbow Beach in search of spring migrants!

Park 566
The Nighthawk at West Lawn Public Library
Apr 27
West Lawn Public Library
The Nighthawk at West Lawn Public Library
West Lawn Public Library

RSVP Required

Join us for a program all about the mysterious nighthawk; what makes them tick, why are they disappearing, and what's being done to save them right here in Chicago.

West Lawn Public Library
North Pond Wednesday Bird Walks
Apr 29
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
Montrose Point Bird Sanctuary
May 1
Montrose Point Bird Sanctuary
Montrose Point Bird Sanctuary
Montrose Point Bird Sanctuary

RSVP Required

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

Montrose Point Bird Sanctuary
Linne Woods Bird Walk
May 2
Linne Woods
Linne Woods Bird Walk
Linne Woods

RSVP Required

Migration season is on us. Let us walk along the bottomland and upland sections of Linne Woods and look for all manner of woodland migrants- sparrows, vireos and warblers galore!

Linne Woods
LaBagh Woods Stewardship Workday
May 2
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

The Chicago Birder Blog

 
Blog
Field Trip Recap: Wild Goose Chase at Humboldt Park
Field Trip Recap: Wild Goose Chase at Humboldt Park

COS member Kate Allgeier recaps the Sunday Social Bird Walk at Humboldt Park April 5 that culminated in a wild goose “chase.”

Field trip recap: Black Feather Walk
Field trip recap: Black Feather Walk

COS member Carrie Lakin recounts late-afternoon birding in search of Goth birds at Humboldt Park.

Field Trip Report: Baker's Lake
Field Trip Report: Baker's Lake

COS member Kris Hansen recaps the midday bird walk at Baker’s Lake in the northwest corner of Cook County.

Field Trip Recap: LaBagh Woods
Field Trip Recap: LaBagh Woods

COS member Kris Hansen recaps the bird walk at LaBagh Woods on Friday, April 10.

Field Trip Recap: Woodcock Walk at Marian Byrnes Park
Field Trip Recap: Woodcock Walk at Marian Byrnes Park

COS member Joann Umeki recaps the 150th bird walk that President Edward Warden has led for COS.

Field Trip Recap: Woodcock Walk at Indian Boundary Prairies
Field Trip Recap: Woodcock Walk at Indian Boundary Prairies

COS member Kris Hansen recaps the walk at Paintbrush Prairie that found no American Woodcocks but lots of Wilson’s Snipe and garter snakes.