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Upcoming Events

 
Field Trips and Events
Montrose Bird Sanctuary Stewardship Workday
Aug 2
Montrose Point Bird Sanctuary
Montrose Bird Sanctuary Stewardship Workday
Montrose Point Bird Sanctuary

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

Montrose Point Bird Sanctuary
North Pond Wednesday Bird Walks
Aug 12
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
Birds & Bytes: Through Binoculars and Seasons: 1,200 Days of Birding
Aug 13
Birds & Bytes: Through Binoculars and Seasons: 1,200 Days of Birding

Virtual Program

RSVP Required

Join COS for the latest episode of our virtual program series Birds & Bytes for a conversation with Sammy Cabindol on his ongoing 1,200 day birding streak that he started as a new birder.

North Pond Wednesday Bird Walks
Aug 19
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 Dunes Stewardship Workday
Aug 22
Montrose Point Bird Sanctuary
Montrose Dunes Stewardship Workday
Montrose Point Bird Sanctuary

Join the stewards of Montrose Beach Dunes for a workday at one of the top bird watching spots in the country!

Montrose Point Bird Sanctuary
Nighthawk Watch at Horner Park
Aug 25
Horner Park
Nighthawk Watch at Horner Park
Horner Park

RSVP Required

Join COS for a nocturnal twist on the classic hawk watch, our fifth annual Nighthawk Watch!

Horner Park
North Pond Wednesday Bird Walks
Aug 26
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
North Pond Wednesday Bird Walks
Sep 2
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
North Pond Wednesday Bird Walks
Sep 9
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 Bird Sanctuary Stewardship Workday
Sep 12
Montrose Point Bird Sanctuary
Montrose Bird Sanctuary Stewardship Workday
Montrose Point Bird Sanctuary

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

Montrose Point Bird Sanctuary
North Pond Wednesday Bird Walks
Sep 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!

North Pond Casting Pier
The Urban Birding Festival
Sep 18
Peggy Notebaert Nature Museum
The Urban Birding Festival
Peggy Notebaert Nature Museum

Chicago Ornithological Society is proud to present, in association with our many birding partners, The Urban Birding Festival! Taking place in and around Chicago on September 18-20, 2026 this festival highlights the extraordinary bird diversity present in the area with over 400 recorded species in the Chicago region.

Peggy Notebaert Nature Museum

The Chicago Birder Blog

 
Blog
Field Trip Report: River Park Heron Watch
Field Trip Report: River Park Heron Watch

COS member and trip leader Brighten Jelke recaps the River Park Heron Watch on June 17.

Field trip recap: Goth Bird Walk & Common Nighthawk Quest at Horner Park
Field trip recap: Goth Bird Walk & Common Nighthawk Quest at Horner Park

Trip co-leader Chris Holden recaps the combined Goth Bird Walk and Common Nighthawk Quest at Horner Park on June 13.

Bird Bands in the Wild
Bird Bands in the Wild

Christina Harber shares details on how birders can report sightings of bird bands, and why they should take the time to do so.

Field Trip Recap: Horizon Farm
Field Trip Recap: Horizon Farm

COS member Joann Umeki recaps the sunset birdwalk at Horizon Farms.

Field Trip Recap: Jackson Park & Wooded Island
Field Trip Recap: Jackson Park & Wooded Island

COS member Kris Hansen recaps the bird walk at Jackson Park and the Wooded Island May 31.

Field Trip Recap: Douglass Park Evening Walk
Field Trip Recap: Douglass Park Evening Walk

COS member Joann Umeki recaps the evening bird walk at Douglass Park.