Where did the original COS American Woodcock logo come from? Read our theories as we unravel the mystery of our beloved timberdoodle.
Read More
COS board member and field trip co-leader Jake Vinsel recaps the July 16 bird walk at Orland Grassland.
Read More
Earlier this year, a team of researchers and volunteers came together to identify and develop techniques to encourage Black-crowned Night-herons to explore additional rookery locations. Today, we’re excited to share an update on this project and some of the results of those efforts!
Read More
COS Vice President and Calumet Project committee chair Stephanie Beilke provides information about the fourth year of bird banding at Big Marsh.
Read More
COS was among several birding organizations contacted by Redfin Corporation for tips to create a bird haven in our yards and gardens. Check our their post to see what best practices were shared.
Read More
Enjoy this recap of the latest COS news for July 2023.
Read More
COS board member and field trip co-leader Robyn Detterline recaps the June 17 COS/Feminist Bird Club Chicago inclusive walk at Humboldt Park.
Read More
Guest blogger Maggie Van Dyke provides interesting facts about the Common Nighthawk.
Read More
COS president and field trip leader Edward Warden recaps the June 10 COS Whip-poor-will walk at Iroquois County State Wildlife Area.
Read More
COS president and field trip leader Edward Warden recaps the June 4 COS Birds & Botany walk at Sand Ridge Nature Center.
Read More
COS president and field trip leader Edward Warden recaps the May 18 COS bird walk at Northerly Island.
Read More
In his latest installment of Birding Through the Year, David Hoyt writes about the advantages and disadvantages of listening for nighttime birds in the modern era.
Read More
COS president and field trip leader Edward Warden recaps the May 31 COS bird walk at the Montrose Point Bird Sanctuary and Dunes.
Read More
In this latest installment of Dan’s Feathursday Feature, Dan Lory recounts the rescue of a Red-throated Loon that had been spending time at Park 566 this spring.
Read More
COS president and field trip leader Edward Warden recaps the May 28 COS bird walk at the Marian R. Byrnes Natural Area.
Read More
COS board member and field trip leader Robyn Detterline summarizes the May bird walk in Humboldt Park.
Read More
COS VP and field trip leader Stephanie Beilke summarizes the recent COS outing to Horner Park.
Read More