Chicago Ornithological Society @chicagobirder.bsky.social

On Memorial Day, 14 birders met at Horner Park for COS’s first ever Female Bird Day field trip! In addition to observing female bird plumage and behavior compared to their male counterparts, the group was treated to 17-year cicadas! Read the full report: www.chicagobirder.org/blog/2024/6/...

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