French: Paruline bleue German: Blaurücken-Waldsänger Spanish: Reinita azulada
J. F. Gmelin
Santo Domingo, Dominican Republic
Subspecies and Distribution
S. c. caerulescens
(J. F. Gmelin, 1789) – S Canada from Saskatchewan (irregular) and S Ontario E to Nova Scotia and in NE USA from Minnesota E to New England; migrates to Caribbean (mainly Bahamas and Greater Antilles), small numbers to E Central America.
S. c. cairnsi
(Coues, 1897) – E USA in Appalachians from SW Pennsylvania S to N Georgia; migrates to Caribbean, some to E Central America.
12–14 cm; 8·4–12·4 g. Male nominate race has dark blue crown, nape and upperparts, black throat and face, white underparts with broad black streak... read more
Most common song (possibly Type 1) a series of 3–5 (usually four) buzzy, drawn-out notes, the... read more
Breeds in mature deciduous or mixed forest with well-developed understorey, also in old logged... read more
Food and feeding
Feeds mainly on insects and other arthropods; also some seeds, fruit and nectar in winter. In one study, lepidopteran larvae comprised 60... read more
Season May–Aug, egg-laying May–Jul (occasionally into Aug); sometimes double-brooded. Polygyny recorded, and in recent study... read more
Migratory, moving medium to long distance. Leaves breeding grounds in late Aug and early Sept,... read more
Status and conservation
Not globally threatened (Least Concern). Generally common throughout its range. Numbers are thought to be stable, though there have been some local decreases at the edges of... read more
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