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

Join us as we search for any remaining fall migrants at a hidden gem in the city full of native flora, a large pond, and plenty of lookout points.

To prepare for the return of plovers to Chicago and help address some of the biggest threats to their habitat, we’re hitting the beach. Join us for a stewardship day as we tackle trash, invasive species, and anything else harming the fragile ecosystem.

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 and Lake County Audubon Society for a hike at Cuba Marsh.

RSVP Required

Join us at Montrose for a morning of fall migration birding.

RSVP Required

Join COS for a morning observing hawks migrating down the lake front from a unique vantage point - the top of the climbing wall.

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

Experience fall migration in the northwest suburbs. A diversity of birds can be found in throughout prairie, woodland, and wetland habitats.

RSVP Required

Join us as we explore Humboldt Park as migratory birds flock to this incredible green oasis in the surrounding urban environment.

Join park staff for a workday at one of the top bird watching spots in the country; Big Marsh Park!

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

RSVP Required

Borbs and Forbs is a monthly event for nature enthusiasts and those inspired to give back to our communities. Each month we will visit a Chicago Park to admire local birds and other fauna, followed by a stewardship day with the park's steward.

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!

Enjoy some light refreshments as we connect with fellow photographers, celebrate the year's accomplishments, and go birding!

RSVP Required

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

RSVP Required

Join us for a fall migration bird walk on the south side looking for water birds, sparrows, and raptors.

RSVP Required

This full-morning trip is specifically for beginning birders. We will focus on birding basics and identifying the most common birds in Chicago. 

RSVP Required

Join us at Montrose for a morning of fall migration birding.

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.

Registration Required

Join COS and Friends of the Chicago River for a trip down the Chicago River in search of migrant warblers, waterfowl, swallows, and much more.

Registration Required

Join COS and Friends of the Chicago River for a trip down the Calumet River in search of migrant warblers, waterfowl, swallows, and much more.

RSVP Required

We'll be looking for fall migrants, especially songbirds and raptors in this wooded habitat along the north branch of the Chicago river in Glenview.

RSVP Required

Join us at Montrose for a morning of fall migration birding.

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

Experience fall migration in the northwest suburbs. A diversity of birds can be found in throughout prairie, woodland, and wetland habitats.

Join us for a fall migration walk at Park 566! This uniquely urban habitat is host to countless migratory birds and one of the best places in Chicago to observe grassland birds, raptors, waterfowl, and many other species on their journey south.

RSVP Required

Join us as we explore Humboldt Park as migratory birds flock to this incredible green oasis in the surrounding urban environment.

Join us for a habitat restoration workday at COS’s flagship stewardship site LaBagh Woods, and help bring back critical bird habitat.