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Blackburnian Warbler

From Opus

Adult Male, Breeding PlumagePhoto by Charlie MPoint Pelee National Park, Ontario, Canada
Adult Male, Breeding Plumage
Photo by Charlie M
Point Pelee National Park, Ontario, Canada
Adult Female Breeding Plumage Photo by quality67
Adult Female Breeding Plumage
Photo by quality67
Setophaga fusca

Dendroica fusca


[edit] Identification

L. 13 cm (5"); W. 9-10 g

  • Back boldly striped

Breeding male:

  • Black and white
  • Vivid orange throat, crown patch, and eyebrow
  • Large white wing patch

Female and Immature Male: Similar to male, but has yellow throat, wingbars instead of wingpatch, and lighter auriculars.

Autumn plumage identifiers are the double-white wing patch and yellowish tinge to supercillium, sides of neck, throat, breast and upper flanks.

[edit] Distribution

Breeds from Saskatchewan east to Nova Scotia, south to Great Lakes, southern New England, and in the Appalachians to northern Georgia. Widespread in east and midwest in migration.
Winters in the tropics from Costa Rica south to Peru and Bolivia.
Rare but regular vagrant to the western United States.
Accidental vagrant to Greenland (2 records), Iceland (1 record), and Great Britain (2 records).

[edit] Taxonomy

This is a monotypic species[1].
Formerly placed in genus Dendroica.

[edit] Habitat

Most numerous in mixed forests of hemlock (Tsuga), spruce (Picea), and various hardwoods, usually ranging high in trees; in winter in cloud forests and humid tropical montane forests. In migration found in nearly any type of woods.

[edit] Behaviour

They usually spend their time gleaning in the upper canopy.

[edit] Diet

Their diet consists mainly of insects, particularly caterpillars.

[edit] Breeding

The clutch consists of 4 brown-spotted white eggs which are laid in a twig nest lined with lichens, mosses, and hair, usually placed high in a large conifer.

[edit] Vocalisation

Song: is thin and wiry and increases in speed, becoming almost inaudible to humans, sleet-sleet-sleet-sleet-sleetee-sleeeee. Also tiddly-tiddly-tiddly-tiddly at same speed and pitch.
Call: chip

[edit] References

  1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at
  2. Avibase

[edit] External Links


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