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Upcoming Events

 
Field Trips and Events
Humboldt Park Sunday Social Bird Walk
Nov 2
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
North Pond Wednesday Bird Walks
Nov 5
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
Park 566 Owl Prowl
Nov 8
Park 566
Park 566 Owl Prowl
Park 566

Join COS for an 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!

Park 566
Hawkwatch at Northerly Island
Nov 8
Northerly Island
Hawkwatch at Northerly Island
Northerly Island

Join COS for a morning observing hawks migrating down the lake front. This is a mostly stationary birding experience.

Northerly Island
LaBagh Woods Stewardship Workday
Nov 9
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
North Pond Wednesday Bird Walks
Nov 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
Owls of Chicago at North Park Village
Nov 15
North Park Village Nature Center
Owls of Chicago at North Park Village
North Park Village Nature Center

RSVP Required

Join Chicago Ornithological Society at North Park Village Nature Center as we take a deep dive into everything we know about Chicago's many owls!

North Park Village Nature Center
Flock Club Book Club: Birding to Change the World
Nov 18
Albany Park Library
Flock Club Book Club: Birding to Change the World
Albany Park Library

Join COS for Flock Club Book Club to discuss Trish O’Kane’s Birding to Change the World.

Albany Park Library
Family & Adult Owl Prowls at North Park Village
Nov 18
North Park Village Nature Center
Family & Adult Owl Prowls at North Park Village
North Park Village Nature Center

In partnership with the Chicago Park District, come and learn about the raptor of the night- the owl! This interpretive program and guided walk will lead participants through the preserve in search of owls.

North Park Village Nature Center
Jackson Park Owl Prowl
Nov 19
Jackson Park
Jackson Park Owl Prowl
Jackson Park

RSVP Required

Join COS for an owl prowl at Jackson Park.

Jackson Park
Park 566 Owl Prowl
Nov 22
Park 566
Park 566 Owl Prowl
Park 566

Join COS for an 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!

Park 566
LaBagh Woods Stewardship Workday
Nov 22
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: Crabtree Nature Center
Field Trip Recap: Crabtree Nature Center

COS trip leader Sammy Cabindol recaps COS in the Suburbs: Crabtree Nature Center on Oct. 20.

Field trip recap: Crabtree Nature Center
Field trip recap: Crabtree Nature Center

COS trip leader recaps the bird walk at Crabtree Nature Center on Sept. 29.

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

COS member Steve Whitman recaps the hawk-heavy Sunday Social at Humboldt Park on Oct. 19.

Field trip recap: Horner Park
Field trip recap: Horner Park

COS member Lauren Kostas recaps the bird walk at Horner Park on Sept. 2, 2025.

Field trip recap: Montrose Dunes and Point Beginner Bird Walk
Field trip recap: Montrose Dunes and Point Beginner Bird Walk

Trip co-leader Christine Williamson recaps the beginner’s bird walk at Montrose Dunes and Point on Oct. 11, 2025.

Field Trip Recap: Montrose Point Bird Sanctuary
Field Trip Recap: Montrose Point Bird Sanctuary

COS member Shelley Weinberg recaps the owl-some bird walk at Montrose Point Bird Sanctuary on Oct. 10, 2025.