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Northern Goshawk

From Opus

Revision as of 21:34, 27 August 2011 by HelenB (Talk | contribs)


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Subspecies A. g. atricapillusPhoto by fuzzheadRichland, WA, USA
Subspecies A. g. atricapillus
Photo by fuzzhead
Richland, WA, USA
Accipiter gentilis
Juvenile of subspecies A. g. atricapillusPhoto by digishooterKern County, CA, USA, August 2011
Juvenile of subspecies A. g. atricapillus
Photo by digishooter
Kern County, CA, USA, August 2011

Contents

Identification

  • Robust bird
  • Long narrow tail
  • Short rounded wings
  • Bold white eyebrow

Adult

  • Blue-grey above
  • Black crown
  • Pale underparts finely barred with grey

Immature Brown above and streaked below

Distribution

Juvenile of subspecies A. g. fujiyamaePhoto by stoopFukushimagata, Niigata, Japan, October 2009
Juvenile of subspecies A. g. fujiyamae
Photo by stoop
Fukushimagata, Niigata, Japan, October 2009

In America, breeds from Alaska east through Mackenzie and northern Quebec to Newfoundland, and south to New Mexico, Great Lakes, and New England; also southward to northern Appalachians. Winters south to Virginia and Southwest.

A widespread species in the Western Palearctic breeding from Iberia east to the Black Sea and Caucasus and north to northern Scandinavia and Arctic Russia.

Taxonomy

Subspecies[1]

  • A. g. gentilis:
  • A. g. arrigonii:
  • A. g. buteoides:
  • A. g. albidus:
  • North-eastern Siberia to Kamchatka Peninsula
  • A. g. schvedowi:
  • A. g. fujiyamae:
  • A. g. atricapillus:
  • A. g. laingi:
  • South-western Canada (Queen Charlotte Islands and Vancouver Island)


Subspecies A.g. apache (Sierra Madre Occidental Mexico to SE Arizona and SW New Mexico USA; Maderas del Carmen? Mexico) is not recognised by all authorities[1]

Habitat

Deciduous or coniferous woodland interspersed with open areas. Often over more open country in winter.

Behaviour

Vocalisation

Usually silent, sometimes lets out a loud kak-kak-kak-kak-kak when disturbed.


Listen in an external program

References

  1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. Avibase

External Links

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