Chestnut-sided warbler
Rondeau Provincial Park, Ontario, Canada, May 15, 2018.
Hopefully coming to a tree near you "soon".
Setophaga pensylvanica
The oldest recorded Chestnut-sided Warbler was at least 6 years, 11 months old when it was found in Rhode Island in 1980. It had been banded in the same state in 1973.
source - Cornell Lab of Ornithology.
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