Appearance
The blue-winged warbler is a small warbler at 11.4–12.7 cm long, with a wingspan of 17–19.5 cm . The breeding plumage of the male consists of a bright yellow head, breast and underparts. There is no streaking of the underparts of the bird. It has a narrow black line though the eyes and light blueish gray with two white wing-bars, which are diagnostic field marks.The female is duller overall with less yellow on the crown. Immatures are olive green with wings similar to the adults.
The song is a series of buzzing notes. The call is a sharp ''chip''.
Distribution
Blue-winged warblers are migratory New World warblers. They winter in southern Central America and breed from east-central Nebraska in the west to southern Minnesota, Wisconsin, Michigan and southern Ontario in the north to central New York, southern Vermont, southern New Hampshire and New England to the east, south to western South Carolina, northern Georgia, northern Alabama, eastern Tennessee and southern Missouri. It is a very rare vagrant to western Europe, with one bird wandering to Ireland.The breeding habitat is open scrubby areas.
Habitat
Blue-winged warblers are migratory New World warblers. They winter in southern Central America and breed from east-central Nebraska in the west to southern Minnesota, Wisconsin, Michigan and southern Ontario in the north to central New York, southern Vermont, southern New Hampshire and New England to the east, south to western South Carolina, northern Georgia, northern Alabama, eastern Tennessee and southern Missouri. It is a very rare vagrant to western Europe, with one bird wandering to Ireland.The breeding habitat is open scrubby areas.
Reproduction
Blue-winged warblers nest on the ground or low in a bush, laying four to seven eggs in a cup nest. The females incubate the eggs for 10–11 days. The young are altricial and fledge in 8–10 days.Food
Diet consists of insects, and spiders.References:
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