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Upcoming Events
Field Trips and Events
Join the 2025 Great Chicago Backyard Bird Count! Learn how to join this year’s team and be a part of this citizen science project from the comfort of your own home. This event is part of COS’s Year of Green Birding.
RSVP Required
Join us as we explore Jackson Park and observe winter birds.
Virtual Program
RSVP Required
Join COS for the latest episode of our virtual program series Birds & Bytes for a conversation with the newest Cook County big year record holder; Tarik Shahzad!
Wild Things Conference, the largest gathering of Chicagoland nature nerds returns this spring! Join more than 2000 nature lovers from across the region for a day full of educational sessions ranging from plants and animals, to restoration practices and story telling, to environmental justice and recreation. And of course, one of the largest groups of offerings is a track all about birds.
Join COS for a morning birding trip to Crabtree Nature Center in Barrington.
RSVP Required.
Join us for a habitat restoration workday at COS’s flagship stewardship site LaBagh Woods, and help bring back critical bird habitat.
RSVP Required
Join COS for a bilingual birding trip at McKinley Park! This event is great for all ages including multi-generational families where some family members are more comfortable with Spanish.
Join COS for Flock Club Book Club to discuss Amy Tan’s The Backyard Bird Chronicles. In the spirit of our yearlong celebration of green birding, we’ll discuss this tome on the ultimate green birding outing—the kind that is not an outing at all!
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!
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!
Join us for a habitat restoration workday at COS’s flagship stewardship site LaBagh Woods, and help bring back critical bird habitat.
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!
The Chicago Birder Blog
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