Notice: This article is a work in progress. Please help All Birds Wiki finish it.
Wilson's Warbler
Wilson's Warbler
Male (left) and female (right)
Scientific classification Red Pencil Icon
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Inopinaves
Order: Passeriformes
Suborder: Passeri
Clade: Nine-primaried oscines
Epifamily: Icteroidae
Clade: Blackbird and warbler group
Subfamily: Basileuterinae
Genus: Cardellina
Species: C. pusilla
Binomial name
Cardellina pusilla
(Wilson, 1811)
File:Wilsonia pusilla map.svg
Range of C. pusilla      Breeding range     Wintering range

Wilsonia pusilla
Myiodioctes pusillus
Muscicapa pusilla

Wilson's Warbler (Cardellina pusilla) is a small New World warbler. It is greenish above and yellow below, with rounded wings and a long, slim tail. The male has a black crown patch; depending on the subspecies, that mark is reduced or absent in the female. It breeds across Canada and south through the western United States, and winters from Mexico south through much of Central America. It is a very rare vagrant to western Europe.

Click for other names


Races form W and E groups, which differ clearly in DNA.[2] Polytypic; three subspecies recognized:[3] What do coloured bullet points mean?

  • Western Wilson's Warbler, C. p. pileolata
  • C. p. chryseola
  • Eastern Wilson's Warbler, C. p. pusilla
Wilson's Warbler singing

Wilson's Warbler singing

Male singing


Wilson’s Warblers are small and nimble fliers. They are one of the smallest and most recognizable migratory warblers in the U.S, with their black cap and bright yellow plumage. They rarely slow down, dashing between shrubs, grabbing insects from one leaf after another, and popping up on low perches to sing.

Similar species







  1. ^ "Wilsonia pusilla". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. 2012. Retrieved 17 April 2014. 
  2. ^ Irwin, D.E., Irwin, J.H. & Smith, T.B. (2011) Genetic variation and seasonal migratory connectivity in Wilson’s warblers (Wilsonia pusilla): species-level differences in nuclear DNA between western and eastern populations. Mol. Ecol. 20(15): 3102–3115.
  3. ^ Curson, J. & de Juana, E. (2019). Wilson’s Warbler (Cardellina pusilla). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 8 October 2019).

External links

Community content is available under CC-BY-SA unless otherwise noted.