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Townsend's Warbler

From Opus

MalePhoto © by MarysanSan Diego, California, USA, April 2007
Male
Photo © by Marysan
San Diego, California, USA, April 2007
Setophaga townsendi

Dendroica townsendi

Contents

[edit] Identification

FemalePhoto © by ForcreeksJennings Lodge, Oregon, February 2019
Female
Photo © by Forcreeks
Jennings Lodge, Oregon, February 2019

12–13 cm (4¾-5¼ in)

  • Thin pointed bill,
  • Yellow face
  • Black stripe across cheeks
  • White wing bars
  • Olive upperparts with black streaks on back and flanks
  • White belly

Adult males

  • Black cap
  • Black throat
  • Yellow lower breast

Females have a dark cap and cheek stripe, and a yellow throat.
Immature birds are similar to females with a dark green cap and cheeks.

[edit] Similar species

Black-throated Green Warbler is very similar, differing in a lighter cheek patch, a narrow yellowish band across the vent, and a whiter (less yellow) throat in females and immatures.
Golden-cheeked Warbler differs in having no yellow on the underparts, darker upperparts (black in males), and a narrower black line through the eye.

[edit] Distribution

Breeds along northwestern coast of North America from southeastern Alaska and southern Yukon Territory south to Oregon, Idaho and western Montana.
Winters in west of the Rockies from Washington to California and in Mexico south to Costa Rica.
During migration seen regularly to western Texas. Rare vagrant in the eastern United States.

[edit] Taxonomy

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

[edit] Habitat

Coniferous forests with large trees on the coast.

[edit] Behaviour

[edit] Diet

Their diet consists almost entirely of insects and arthropods. They also eat some seeds and honeydew.

[edit] Breeding

They construct a bulky cup nest, formed from strips of bark, twigs, lichen and grass; it is lined with hair. It is placed on a tree branch. Their clutch contains 4-5 eggs.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Avibase
  3. Handbook of the Birds of the World Alive (retrieved February 2019)
  4. BF Member observations

[edit] External Links

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