Two “Chestnut-sided Warblers” perched on a branch

Chestnut-sided Warbler

CSWA
  • Scientific: Setophaga pensylvanica
  • Spanish: Reinita de Pensilvania
  • French: Paruline à flancs
  • Family: Wood Warblers
  • Bird Code: CSWA

If there is a 3° C increase in temperature due to unmitigated climate change

Predicted percentage of habitat lost

100%
Summer range lost
50%
Winter range lost

Climate and other threats imore info

Habitat

Found along roadsides, second-growth brushlands and in orchards.

Range

Breeds across much of the lower half of the Canadian provinces and in northern U.S. states from Wisconsin to the east coast and down into Appalachia. Migrates through the southern states and winters in southern Mexico as well as parts of Central and South America.

Silhouette of Grace's Warbler
Did you know?

The male Chestnut-sided Warblers song sounds like a very excited greeting: Pleased, pleased, pleased to meetcha!