Wilson's Warbler
Cardellina pusilla
Family: New World warblers
Wilson's Warbler is one of the species in the BirdGuess catalog. The daily puzzle hides a photo and opens it in pieces. You get five guesses.
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It is an insectivore, feeding primarily on insects gleaned from leaves and twigs, or caught by flycatching.
The observed feeding rate of the male Wilson's warbler was not significantly different between males with or without mates.
The cup nest is typically constructed of vegetation and lined with grasses and hair.