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Difference between revisions of "White Hawk" - BirdForum Opus

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[[Image:WhiteHawk2.jpg|thumb|550px|right|Photo by: {{user|Dave+B+Smith|Dave B Smith}}  <br /> [[Trinidad]]]]
 
;[[:Category:Leucopternis|Leucopternis]] albicollis
 
;[[:Category:Leucopternis|Leucopternis]] albicollis
[[Image:WhiteHawk2.jpg|thumb|550px|right|Photo by: Dave B Smith  <br />Photo taken: [[Trinidad]] ]]
 
 
 
==Identification==
 
==Identification==
 
46-56 cm.  White head, body and underwings, black upper wings, very short black tail with a broad white band. The bill is black and the legs are yellow.
 
46-56 cm.  White head, body and underwings, black upper wings, very short black tail with a broad white band. The bill is black and the legs are yellow.
  
 
The sexes are similar, but females are larger and heavier.  Immature birds have extensive black spotting on the upperparts and dark-streaked whitish underparts.  
 
The sexes are similar, but females are larger and heavier.  Immature birds have extensive black spotting on the upperparts and dark-streaked whitish underparts.  
 
 
==Distribution==
 
==Distribution==
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[[Central America|Central]] and [[South America]]<br />
 
[[Mexico]], [[Nicaragua]], [[Panama]], [[Honduras]], [[Colombia]], [[Venezuela]] and [[Brazil]].
 
[[Mexico]], [[Nicaragua]], [[Panama]], [[Honduras]], [[Colombia]], [[Venezuela]] and [[Brazil]].
 
==Taxonomy==
 
==Taxonomy==
There are four subspecies:
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There are four subspecies:<br />
 
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*''L. a. ghiesbreghti'':
''L. a. ghiesbreghti'' - southern Mexico to Nicaragua;  white,  black markings on the outer primaries,  black sub-terminal tail bar, yellow eyes.  
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:*Southern [[Mexico]] to [[Nicaragua]]. White,  black markings on the outer primaries,  black sub-terminal tail bar, yellow eyes.  
 
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*''L. a. costaricensis'':
''L. a. costaricensis'' - Honduras, Panama and Colombia; distinct black markings on the wings and tail, brown eyes.  
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:*[[Honduras]], [[Panama]] and [[Colombia]]. Distinct black markings on the wings and tail, brown eyes.  
 
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*''L. a. williaminae'':
''L. a. williaminae'' - north-western Colombia and western Venezuela; wing feathers heavily marked with black,  black streaks on the crown and collar, broader tail band, brown eyes.  
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:*North-western [[Colombia]] and western [[Venezuela]]. Wing feathers heavily marked with black,  black streaks on the crown and collar, broader tail band, brown eyes.  
 
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*''L. a. albicollis'':
The nominate race, ''L. a. albicollis'', - northern Colombia, central Venezuela to Brazil; smaller than the northern forms, black wings  with white markings, black tail band extending to base of tail, brown eyes.
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:*Northern [[Colombia]], central [[Venezuela]] to [[Brazil]]. Smaller than the northern forms, black wings  with white markings, black tail band extending to base of tail, brown eyes.
 
 
 
==Habitat==
 
==Habitat==
 
Lowland forests and woodland.
 
Lowland forests and woodland.
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It builds a large stick platform nest in a tree and 1 dark-blotched blue-white egg is laid.
 
It builds a large stick platform nest in a tree and 1 dark-blotched blue-white egg is laid.
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==References==
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#Wikipedia
 
==External Links==
 
==External Links==
 
{{GSearch|Leucopternis+albicollis}}
 
{{GSearch|Leucopternis+albicollis}}
 
[[Category:Birds]][[Category:Leucopternis]]
 
[[Category:Birds]][[Category:Leucopternis]]

Revision as of 19:13, 22 May 2009

Leucopternis albicollis

Identification

46-56 cm. White head, body and underwings, black upper wings, very short black tail with a broad white band. The bill is black and the legs are yellow.

The sexes are similar, but females are larger and heavier. Immature birds have extensive black spotting on the upperparts and dark-streaked whitish underparts.

Distribution

Central and South America
Mexico, Nicaragua, Panama, Honduras, Colombia, Venezuela and Brazil.

Taxonomy

There are four subspecies:

  • L. a. ghiesbreghti:
  • Southern Mexico to Nicaragua. White, black markings on the outer primaries, black sub-terminal tail bar, yellow eyes.
  • L. a. costaricensis:
  • L. a. williaminae:
  • North-western Colombia and western Venezuela. Wing feathers heavily marked with black, black streaks on the crown and collar, broader tail band, brown eyes.
  • L. a. albicollis:
  • Northern Colombia, central Venezuela to Brazil. Smaller than the northern forms, black wings with white markings, black tail band extending to base of tail, brown eyes.

Habitat

Lowland forests and woodland.

Behaviour

The diet includes reptiles, insects and mammals.

It builds a large stick platform nest in a tree and 1 dark-blotched blue-white egg is laid.

References

  1. Wikipedia

External Links

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