Bird #111 — Lesser Scaup

aythya (seabird) affinis (related to)

Wednesday, March 19, 1980 — 5:30 pm

Barrington, Illinois — Crabtree Nature Center

I agonized over these birds.  They were swimming in Crabtree Lake near some Ring-necked Ducks.  Were they Lesser or were they Greater?  Their heads didn’t appear to be rounded, and in the fading light, I detected a purple sheen on the head of the male.  After much deliberation, I identified them Lesser.

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