Kris Hansen recaps the great Chicago Bird Debate held at the Peggy Notebaert Nature Museum on October 29, when five bird candidates faced off for the title of unofficial bird of Chicago.
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Outreach intern Jessica Cortez reflects on her summer at the beach educating the public about the city's beloved plovers.
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David Hoyt explores the environmental and community impacts of Riot Fest's takeover of Douglass Park. Originally published in the October/November 2022 issue of The Chicago Birder.
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Margie Griggs recaps the 2024 COS Conservation Fundraiser.
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Jon Evans writes of how the city’s most popular natural habitat and birding hotspot forged a great Chicago love story.
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Learn how to participate in the 2024 Great Chicago Backyard Bird Count.
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Eric Houghton walks us back through 2023 to remember the year that was in the Chicago birding world.
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Kris Hansen chats with COS committee chairs to summarize the organization’s accomplishments for 2023.
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COS member and field trip leader Jorge Garcia writes about Riis Park and two of this year’s community events held there, including a bird walk facilitated by COS.
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It's Christmas Bird Count season! With well near a dozen counts happening throughout the Chicagoland area, how does one get started? We've got you covered!
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Lauren Kostas provides an overview of this year’s Birdability Week.
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Read about why COS celebrates Marian Byrnes, a Southeast Side conservation activist, during this Women’s History Month.
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Read about why COS celebrates Hazel Johnson, the mother of the environmental justice movement, during this Women’s History Month.
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Read COS’s guide to this year’s Indiana Dunes Birding Festival.
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COS announces a new program: Tweets & Eats!
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Read Chicago Ornithological Society’s social media community guidelines.
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COS has been around for over a hundred years now, but the only way it will reach its next hundred is with people dedicated to getting it there. We need you! As an all volunteer organization, COS is only as strong as the many people who help us achieve our mission.
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