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Upcoming Events

 
Field Trips and Events
Humboldt Park Sunday Social Bird Walk
Nov 8
Humboldt Park
Humboldt Park Sunday Social Bird Walk
Humboldt Park

Registration Required

Join us as we explore Humboldt Park in search of fall birds in this incredible oasis in the surrounding urban environment.

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Humboldt Park
North Pond Wednesday Bird Walks
Nov 11
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!

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North Pond Casting Pier
Park 566 Owl Prowl
Nov 15
Park 566
Park 566 Owl Prowl
Park 566

Join COS for an early owl prowl at Park 566. We will look for owls of all kinds but will focus on finding Short-eared Owls that are seen there frequently!

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Park 566
North Pond Wednesday Bird Walks
Nov 18
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!

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North Pond Casting Pier
COS/CBA at Crabtree Nature Center
Nov 22
Crabtree Nature Center
COS/CBA at Crabtree Nature Center
Crabtree Nature Center

RSVP Required

Join COS and CBA for a morning birding trip out to Crabtree Nature Center in Barrington.

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Crabtree Nature Center
Marian R. Byrnes Natural Area Owl Prowl
Dec 5
Marian R. Byrnes Natural Area
Marian R. Byrnes Natural Area Owl Prowl
Marian R. Byrnes Natural Area

RSVP Required

Join COS for an owl prowl at Marian R. Byrnes Natural Area.

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Marian R. Byrnes Natural Area
Humboldt Park Sunday Social Bird Walk
Dec 6
Humboldt Park
Humboldt Park Sunday Social Bird Walk
Humboldt Park

Registration Required

Join us as we explore Humboldt Park in search of early winter birds in this incredible oasis in the surrounding urban environment.

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Humboldt Park
North Pond Wednesday Bird Walks
Dec 16
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!

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North Pond Casting Pier

The Chicago Birder Blog

 
Blog
Field Trip Recap: Sunday Social at Humboldt Park
Field Trip Recap: Sunday Social at Humboldt Park

COS member Ryan Pate recaps the Sunday Social Bird Walk on Oct. 18 at Humboldt Park.

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Field Trip Report: Common Nighthwk Watch
Field Trip Report: Common Nighthwk Watch

COS Board Member and watch leader Chris Cochrane recaps the fifth annual Common Nighthawk watch at Horner Park.

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Field Trip Recap: Horner Park
Field Trip Recap: Horner Park

COS member Kris Hansen recaps the bird walk at Horner Park on Saturday, Oct. 17.

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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 walk at Humboldt Park on Oct. 4.

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Results of the 2026 Nighthawk Monitoring Season
Results of the 2026 Nighthawk Monitoring Season

It’s year 5 of the Chicago Nighthawk Program! How did our monitors do? Pretty well as it turns out…

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Review: Birds of North America at A Red Orchid Theatre
Review: Birds of North America at A Red Orchid Theatre

COS member Rachel Weinberg reviews Bird of North America, a play at A Red Orchid Theatre.

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