Join our partners and your fellow nature nerds for a party where the field guides are the main dish! Following the City Nature Challenge, we need all hands to help identify the many birds found and uploaded to inatualist.

In Person Program

RSVP Required

It’s the Year of the Peregrine! Join COS at the Field Museum for a behind-the-scenes journey through the Field Museum's Bird Collection highlighting peregrine specimens!

RSVP Required

Join us for a program all about the mysterious nighthawk; what makes them tick, why are they disappearing, and what's being done to save them right here in Chicago.

RSVP Required

Join us for a hands-on workshop into the captivating world of bird photography with professional bird photographer, J’orge @yorickgarcia! Gain insights into kickstarting your bird photography adventure, from choosing the right gear to setting your camera, and mentally preparing yourself for capturing that perfect shot.

RSVP Required

Join us for a hands-on workshop into the captivating world of bird photography with professional bird photographer, J’orge @yorickgarcia! Gain insights into kickstarting your bird photography adventure, from choosing the right gear to setting your camera, and mentally preparing yourself for capturing that perfect shot.

RSVP Required

Join us for a program all about the mysterious nighthawk; what makes them tick, why are they disappearing, and what's being done to save them right here in Chicago.

COS proudly presents the newest social event by and for birders; Flock Club! Join us as we gather to share our passion for birds in a casual and accessible environment.

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!

COS proudly presents the newest social event by and for birders; Flock Club! Join us as we gather to share our passion for birds in a casual and accessible environment.

RSVP Required

Join Chicago Ornithological Society for an in person program to learn about what makes a coffee bird friendly followed by a tasting of some fresh brews.

RSVP Required

Join Chicago Ornithological Society at the Ford Calumet Environmental Center as we take a deep dive into everything we know about Chicago's many owls!

COS proudly presents the newest social event by and for birders; Flock Club! Join us as we gather to share our passion for birds in a casual and accessible environment.

Birding is for everyone! Curious about what it takes to get started, what resources are available, or where to even go? Then join members of Chicago’s vibrant birding community at Montrose Point Bird Sanctuary for our first ever Beginning Birding Open House!

Registration Required

Join us at Big Marsh Park as we explore our artistic side and learn how to draw local owl species.

Hyrbid Program

RSVP Required

Everyone who has ever seen a puffin falls in love with them.

Mark your calendar and join us for the bird conservation party of the year!

Join us at Metropolitan Brewing on Saturday, August 26th at 5pm where we will enjoy live music, delicious craft beers, major announcements, and of course, birding, while raising money for Chicago Ornithological Society’s many bird conservation projects.

Join COS and Urban Rivers for a workshop on the Chicago River to learn how to find and identify Chicago’s many feathered friends. We will walk participants through the basics of bird identification and what a hopeful birder needs to get started looking for birds.

In Person Program

RSVP Required

Tiffany Kersten didn't set out to do a big year, but after a series of unanticipated and serendipitous events, she suddenly found herself amidst one.

RSVP Required

Join Chicago Ornithological Society for an in person program to learn about what makes a coffee bird friendly followed by a tasting of some fresh brews.

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!

Registration Required

Join the Museum of Science and Industry for a bird walk and screening of the new film Wings Over Water in the Giant Dome Theater.

Thursday, Oct. 13 - 6:00pm
In Person Program

RSVP Required

In January 2021, Alison Világ set off on a journey charted by The State of the Birds (North American Bird Conservation Initiative), The 500 Most Important Bird Areas in the United States (American Bird Conservancy), and Google Maps’ “avoid highways” option. Her intent? To gather stories for a book about vulnerable bird species and their vital places.

Join Chicago Park District, Friends of Big Marsh, and Chicago Ornithological Society for the inaugural Mudhen 5k run/1 mile walk at Big Marsh Park on Saturday, September 24!

Join COS and the Chicago Park District for the fifth annual Birds, Bikes, and Beats festival! Rolling event throughout the day guarantee there’s something for everyone at this celebration of urban parks and nature.

Saturday, Sept. 17 - 6:00pm
In Person

RSVP Required

Join Chicago Ornithological Society and Peggy Notebaert Nature Museum for the Chicago debut of Ploverville, the documentary chronicling the fateful summer that Nish and Nellie landed in Ohio and the people who stood up to protect them.