Description

The Prothonotary Warbler is a large, heavy-bodied, brightly coloured bird. Distinguishing features, generally include a yellow, orange or yellowish olive coloured head and underparts, a white underbelly, greenish upperparts and a grey tail with whitish spots.The species' distinguishing features, vary with age and sex. Females are duller than males and immatures are duller than adults.

The Prothonotary Warbler is a local summer resident that has a preference for dark and damp lowland woods and bottomland hardwood forests.

The song is quite simple and is composed of a single syllable that is repeated from 4 to 14 times in a series that is amplified at the end of the song and is represented by "sweet-sweet-sweet-sweet-sweet" or "tweet-tweet-tweet-tweet-tweet-tweet-tweet."

Blue-winged Warbler and Yellow Warbler

This species is insectivorous and spends much of its foraging time gleaning for insects in leaves, twigs and branches, but will also eat molluscs and isopods. It moves by hopping along branches on trees and shrubs, downed logs and on the ground when foraging for food.
Males establish their territory soon after the spring arrival and show aggression towards other males with intense and frequent vocalizations.

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