COS board member and field trip co-leader Robyn Detterline recaps the June 17 COS/Feminist Bird Club Chicago inclusive walk at Humboldt Park.
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COS president and field trip leader Edward Warden recaps the June 10 COS Whip-poor-will walk at Iroquois County State Wildlife Area.
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COS president and field trip leader Edward Warden recaps the June 4 COS Birds & Botany walk at Sand Ridge Nature Center.
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COS president and field trip leader Edward Warden recaps the May 18 COS bird walk at Northerly Island.
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COS president and field trip leader Edward Warden recaps the May 31 COS bird walk at the Montrose Point Bird Sanctuary and Dunes.
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COS president and field trip leader Edward Warden recaps the May 28 COS bird walk at the Marian R. Byrnes Natural Area.
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COS board member and field trip leader Robyn Detterline summarizes the May bird walk in Humboldt Park.
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COS VP and field trip leader Stephanie Beilke summarizes the recent COS outing to Horner Park.
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COS president and field trip leader Edward Warden shares a recent Birds & Botany adventure at West Ridge Nature Park.
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COS president and field trip leader Edward Warden recaps an April jaunt around North Pond after work.
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Field Trip leader Christina Harber recaps the recent COS trip to the underbirded Garfield Park.
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Writer David Hoyt summarizes the April COS field trip to Humboldt Park.
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Field trip leader Edward Warden summarizes COS’s inaugural After Work bird walk at North Pond in Lincoln Park.
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COS President, field trip leader, and all around Timberdoodle fan gives us a roundup of COS’s 2023 spring woodcock walks.
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Field trip leader Vinod Babu recounts a recent COS field trip to Richard Clark Park.
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David Hoyt reports on the recent COS field trip to Humboldt Park.
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Field Trip leader Jake Vinsel recaps the recent Indian Ridge Marsh COS bird walk.
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Edward Warden recaps the COS Chicago River and Calumet River Basin Blitzes held this winter.
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