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

Bay-breasted Warbler

Paruline à poitrine baie

Setophaga castanea

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Bay-breasted Warbler

Species: The Bay-breasted Warbler (Dendroica castanea) is one of the more attractive birds among the warbler family. Has suffered in recent numbers because of the spraying programs, targeting the spruce budworm. As this being its main source of food, when on its breeding territory. Prefers coniferous forest, but can also be found in deciduous forests.

Distinctions: The male has a distinguish look, when seen in breeding plumage. Chestnut coloured crown, flanks and upper breast. Black masked covering eyes. Side of neck, stomach and under tail showing warm coloured beige. Brown to brownish green back and wings. Showing two strong white wing bars. Female looks similar to male, but in a much duller appearance. Both male and female transform into a totally different look when seen in non-breeding plumage. Similar to the Blackpoll Warbler, can be confusing. Both sexes are brownish green over all, male may have a hint of chestnut seen on its flanks

Voice: Chipping call, high pitch multiple notes, sound like tees-teesi-teesi-teesi, continuous calling.

Nesting: Three to five off- white coloured eggs, with brown or black markings. Size of the brood depends on the abundance of the spruce budworm. It nests in conifer trees, ranging in height from 10 to 20 feet from the ground, composed of fine grass, leaves and hair.

Birds of North America

Life, Habitat & Pictures of the Bay-breasted Warbler

B L W W W Family Latin Name
5.5" 14cm 9" 23cm 0.45oz 12.8g Parulidae Setophaga castanea

  • Summer
  • Year Around
  • Winter

Distribution: Found from the western regions of Newfoundland, through the lower 2/3rd of the Canadian provinces, from Quebec into Alberta, north into the North West Territories, touching into the Yukon, bordering the US states through the Great Lakes, New Brunswick and Nova Scotia.

Classic Collection of North American Birds