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Upcoming Events
Field Trips and Events
RSVP Required
Join Chicago Ornithological Society for an in person program as we explore and take a deep dive into everything we know about Snowy Owl irruptions!
RSVP Required
Experience birding in January in the northwest suburbs. A diversity of birds can be found throughout the prairie, woodland, and wetland habitats.
RSVP Required
Join us as we explore Humboldt Park in search of winter birds in this incredible oasis in the surrounding urban environment.
RSVP Required
Join COS for a beginner-friendly winter bird walk at Montrose Point, where we’ll learn birding basics while spotting Chicago’s year-round residents and seasonal visitors.
RSVP Required
On this trip, we'll explore the magical winter landscape of the canyons along the Illinois River at Starved Rock- Ottawa, Kaskasia and Illinois.
Join us for a habitat restoration workday at COS’s flagship stewardship site LaBagh Woods, and help bring back critical bird habitat.
RSVP Required
Experience birding in February in the northwest suburbs. A diversity of birds can be found throughout the prairie, woodland, and wetland habitats.
Virtual Program
RSVP Required
Join COS for the latest episode of our virtual program series Birds & Bytes for a conversation with Em De Blas on lessons learned while birding Oaxaca.
COS proudly presents Flock Club, the social event by and for birders! Join us as we gather to share our passion for birds in a casual and accessible environment.
RSVP Required
Join us as we explore Humboldt Park in search of winter birds in this incredible oasis in the surrounding urban environment.
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 COS for Flock Club Book Club to discuss Scott Weidensaul’s A World on the Wing: The Global Odyssey of Migratory Birds.
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