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Cerulean Warbler

Paruline azuré

Birds of North America, Vagrant Visitors, Introduced Birds and Possibilities

Setophaga cerulea

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 Cerulean Warbler

Species: The Cerulean Warbler (Dendroica castanea) is found in mature open deciduous forest. It is an extremely hard bird to observe, because of it small size and habits of nesting or feeding high up in the crowns of the mature trees. In recent year because of deforestation, this beautiful warbler is in declining numbers, but on a positive note, it is expanding into north-eastern North America. Maybe, a chance to increase its numbers with a larger breeding range. Because of the plain green appearance of the juvenile, there is a possibility of confusing it with the Tennessee Warbler.

Distinctions: The colour of the male is described as sky blue. Blue head, back, wings and tail. White throat, breast and under tail coverts, black streaking on its flanks, black streaking forming a band around the throat. Both sexes have prominent white wing bars, dark lores. The female has light coloured streaking on throat and flanks, greenish-yellow face and throat, with dark lores. White or creamy lower breast and under tail coverts. Bluish-green crown, wings and back, juvenile has greenish cheeks, crown, nape and back, dark wings with two white wing bars, greenish-white breast and supercilium.

Voice: Chipping call, buzzy notes, songs sound like "zray-zray-zray-zreeeee", repeated often.

Nesting: Three to five creamy or greenish-white coloured eggs with brown markings. Builds nest high up in mature deciduous tree, away from the center. The nest is composed of leaves, twigs, mosses, and lined with fine grasses and hair.

Birds of North America

Life, Habitat & Pictures of the Cerulean Warbler

B L W W W Family Latin Name
4.75" 12cm 7.75" 19.7cm 0.35oz 9.9g Parulidae Setophaga cerulea

  • Summer
  • Year Around
  • Winter

Distribution: Found from southern boundaries of Quebec, into southern Ontario, south of the Great Lakes, west to Minnesota. Touching the western borders of Arkansas, to western South Carolina, north-west to Massachusetts. Is expanding into north-eastern North America. Spends it winters in South America.

Classic Collection of North American Birds