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Black-capped Vireo

From Opus

Photo by Lisa W Outside Fredericsburg, Texas, USA, June 2009
Photo by Lisa W
Outside Fredericsburg, Texas, USA, June 2009
Vireo atricapilla


[edit] Identification

12 cm

  • Olive green above
  • White below
  • Faint yellow flanks
  • Black crown and upper half of the head
  • Partial white eye-ring and lores
  • Brownish-red iris
  • Black bill

Female is duller with slate grey crown, greenish yellow underparts
Second year males may be intermediate in colouration between adult males and females.

Photo by atricapillusWichita Mountains, Oklahoma, June 2006
Photo by atricapillus
Wichita Mountains, Oklahoma, June 2006

[edit] Distribution

Breeds in USA (Oklahoma, Texas) and northern Mexico (Coahuila, Nuevo Leon, and Tamaulipas). Extirpated from Kansas.

Winters in lowlands along the Pacific coast of Mexico, south west from the breeding area.

[edit] Taxonomy

This is a monotypic species[1].

[edit] Status

The Black-capped Vireo is listed as an Endangered species by the U.S. Fish and Wildlife Service. Brown-headed Cowbird parasitism is a major problem.

[edit] Habitat

Scrublands with scattered clumps of shrubs, especially thornscrub, separated by open grassland.

[edit] Behaviour

[edit] Breeding

Both sexes build the nest laying 3-4 eggs which are incubated for 14-17 days. The female broods the young, with the male providing the food. The young fledge after 10 to 12 days

These birds can produce more than one clutch in the breeding season. The male tends some or all of the fledglings, while the female re-nests (this may be with another male).

[edit] Diet

The diet includes beetles and caterpillars.

[edit] References

  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at
  2. Paper describing population genetics of Black-capped Vireo
  3. Wikipedia

[edit] Recommended Citation

[edit] External Links


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