Chestnut-sided Warbler
Setophaga pensylvanica · Lifer #276
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Photos: 2 Forms: 2 (F/Non-breeding, M/Non-breeding)
CR-P
Monotypic. Plumage varies, with breeding (MAR-AUG) males having strong chestnut sides and black eye line/back of head (females less so). Non-breeding males have less chestnut and both lose black eye line/back of head. M/F differ, see plumage notes for more details.
Chestnut-sided Warbler
★★★☆☆ · 2023-12-31 · CR-P · 1044×1044 (833×569) · ISO 40000 · Canon EOS R8
Perched · 1M · Non-breeding
Chestnut-sided Warbler
★★☆☆☆ · 2023-12-31 · CR-P · 1036×1036 (531×326) · ISO 640 · Canon EOS R8
Perched · 1F · Non-breeding