Chestnut-Sided Warbler
A bird a day keeps the chaos away
Chestnut-sided Warbler
CHSWAR
Setophaga pensylvanica
ORDER: Passeriformes
FAMILY: Parulidae
Indiana, May 2023
Breeding birds show yellow cap, black triangle under eye, streaked back and reddish-brown sides. Looks remarkably different in fall with distinctive lime green above and gray below with bold white eyering. Breeds mainly in secondary forests, especially areas with large shrubs and young trees. Does well in disturbed habitats, particularly power line cuts and areas that have been logged. Forages for insects. Winters in Central America.
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For more information about identifying birds, we suggest the following websites:
The Cornell Lab of Ornithology