The Black-and-white Warbler, Mniotilta varia, is a migratory warbler that breeds in northern and eastern North America from southern Canada to Florida and migrates south to winter in Florida, Central America and the West Indies down to Peru. It is a rare vagrant to western Europe, mostly to Ireland and Great Britain.
The Black and White Warbler averages 13 cm in length (including tail) and weighs around 11 g.
The summer plumage of the male is boldly streaked in black and white. He has been described as a flying humbug. They have two visible white wing bars.
Females and juveniles look similar, but are generally duller and have less streaking.
Breeding / Nesting
The Black-and-white Warblers nest on the ground in broadleaved or mixed woodland, preferably in wetter areas. The average clutch consists of 4 - 5 eggs laid in a cup nest.
Diet / Feeding
The Black and White Warblers feed on insects and spiders, which they catch are sought like a nuthatch, moving up and down tree trunks and along branches.
Calls / Vocalizations
The Black and White Wargbler's song is a high see wee-see wee-see wee-see wee-see wee-see. Its call is a hard tick.
Species Research by Sibylle Johnson
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