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Difference between revisions of "Black-chested Buzzard-Eagle" - BirdForum Opus

(id)
(Picture of juvenile. References updated)
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[[South America]]: found in [[Venezuela]], [[Colombia]], [[Ecuador]], [[Peru]], [[Bolivia]], [[Chile]], [[Argentina]], [[Paraguay]], [[Uruguay]], and [[Brazil]].
 
[[South America]]: found in [[Venezuela]], [[Colombia]], [[Ecuador]], [[Peru]], [[Bolivia]], [[Chile]], [[Argentina]], [[Paraguay]], [[Uruguay]], and [[Brazil]].
 
==Taxonomy==
 
==Taxonomy==
====Subspecies<sup>[[#References|[1]]]</sup>====
+
====Subspecies====
There are 2 subspecies:
+
There are 2 subspecies<sup>[[#References|[1]]]</sup>:
 
*''G. m. australis'': smaller, white with fine dark barring below
 
*''G. m. australis'': smaller, white with fine dark barring below
 
:*Andes of western [[Venezuela]] to Tierra del Fuego
 
:*Andes of western [[Venezuela]] to Tierra del Fuego
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A variety of habitats, in open and mountainous areas.
 
A variety of habitats, in open and mountainous areas.
 
==Behaviour==
 
==Behaviour==
 +
[[Image:Black-chested Buzzard-Eagle immature.jpg|thumb|350px|right|Juvenile<br />Photo by {{user|nkgray|nkgray}}<br />Tiltil district, near Santiago, [[Chile]], August 2012]]
 
====Diet====
 
====Diet====
 
The diet includes mid-sized mammals and birds.
 
The diet includes mid-sized mammals and birds.
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The large stick nest is constructed in high trees or on rocky cliffs. The clutch of 1-3 eggs is incubated for 28 days.
 
The large stick nest is constructed in high trees or on rocky cliffs. The clutch of 1-3 eggs is incubated for 28 days.
 
==References==
 
==References==
#{{Ref-Clements6thDec09}}#Avibase
+
#{{Ref-Clements6thOct12}}#Avibase
 
#AvianWeb
 
#AvianWeb
 
#BF Member observations
 
#BF Member observations

Revision as of 20:27, 12 May 2013

Photo by Fritz73
Alumine, Neuquen, Argentina, Jannuary 2004
Geranoaetus melanoleucus

Identification

62-80cm. Female larger

  • White underparts with fine blackish stripes
  • Dark grey upperparts with a blackish, brownish or bluish hue
  • Dark breast
  • Ash-grey and white area on wings
  • Very short black tail

Female: rufous tint to both the upper and underwing secondaries
Immature: tail is not nearly as short as in adults; deep brown upperparts, lacks light wing patch; white or light buff underparts, heavy dark streaks on breast, dark bars on belly and thighs. Full adult plumage is acquired at 4-5 years old.

Distribution

South America: found in Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, Argentina, Paraguay, Uruguay, and Brazil.

Taxonomy

Subspecies

There are 2 subspecies[1]:

  • G. m. australis: smaller, white with fine dark barring below
  • Andes of western Venezuela to Tierra del Fuego
  • G. m. melanoleucus:

Habitat

A variety of habitats, in open and mountainous areas.

Behaviour

Juvenile
Photo by nkgray
Tiltil district, near Santiago, Chile, August 2012

Diet

The diet includes mid-sized mammals and birds.

Breeding

The large stick nest is constructed in high trees or on rocky cliffs. The clutch of 1-3 eggs is incubated for 28 days.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2012. The eBird/Clements Checklist of Birds of the World. 6th ed., with updates to October 2012. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
  2. Avibase
  3. AvianWeb
  4. BF Member observations

Recommended Citation

External Links

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