Blue grey-gnatcatcher.
A friend called me to tell me where this nest was. Far way and high up so we weren't disturbing the birds. Definitely 4 chicks and there may have been a fifth.
Heavy crop and processing.
Rondeau Provincial Park, Ontario, Canada, June 21, 2025.
Polioptila caerulea
Pairs use spiderweb and lichens to build small, neat nests, which sit on top of branches and look like tree knots.
A Blue-grey Gnatcatcher's nest is a neat, cup-shaped structure about 2-3 inches (5.1 to 7.6 cm) wide.

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