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Upcoming Events
Field Trips and Events
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!
RSVP Required
Let us explore Daniel Wright Woods in Lake County. This is a big-tree preserve along the Des Plaines Reserve near Vernon Hills that features a very interesting mix of spring migrants
RSVP Required
Start your weekend early with a "pre-work" walk where we will look for spring migrants like warblers, vireos, thrushes, and orioles.
RSVP Required
Join us at Montrose for a morning of spring migration birding.
Join the annual Illinois Spring Bird Count and help support one of the longest running citizen science efforts in the state.
RSVP Required
Migration season is on us. Let us walk along the bottomland and upland sections of Linne Woods and look for all manner of woodland migrants- sparrows, vireos and warblers galore!
RSVP Required
Join us for a very special guest program with Martin Harper, CEO of BirdLife International as we talk about Chicago’s place in the global mosaic of bird conservation!
RSVP Required
Join us for a program about the mysterious nighthawk and the work being done in Canada to help conserve them.
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!
RSVP Required
Let us explore Daniel Wright Woods in Lake County. This is a big-tree preserve along the Des Plaines Reserve near Vernon Hills that features a very interesting mix of spring migrants
RSVP Required
Join COS for a late afternoon bird walk at Spring Lake Forest Preserve to enjoy migratory birds.
RSVP Required
Start your weekend early with a "pre-work" walk where we will look for spring migrants like warblers, vireos, thrushes, and orioles.
The Chicago Birder Blog
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