- Length: 4.25 inches
- Small, insect-eating bird
- Thin, pointed bill
- Yellow supercilium and underparts
- Olive upperparts
- Pink legs
- No white in outer tail feathers
- Adult male has black cap
The adult male Wilson'ts Warbler is instantly recognizable with its black
cap. Females are similar to female Hooded Warblers but Wilson's are smaller
and lack white in the tail.
Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.
Patuxent Bird Population Studies
Patuxent Bird Identification InfoCenter