Red-eyed vireo

May 4, 2018, Rondeau Provincial Park, Ontario, Canada.

Vireo olivaceus

On May 27, 1952, Louise de Kiriline Lawrence counted the number of songs sung by a single Red-eyed Vireo seeking a mate on his territory 180 miles north of Toronto. He sang 22,197 songs in the 14 hours from just before dawn to evening, singing for 10 of those hours.

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