Brown axillary blackbird

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Brown axillary blackbird
Columbian Mountain Grackle (Macroagelaius subalaris) (8079736640) .jpg

Black armlet ( Macroagelaius subalaris )

Systematics
Order : Passerines (Passeriformes)
Subordination : Songbirds (passeri)
Family : Starlings (Icteridae)
Subfamily : Agelaiinae
Genre : Macroagelaius
Type : Brown axillary blackbird
Scientific name
Macroagelaius subalaris
( Boissonneau , 1840)

The brown axillary blackbird ( Macroagelaius subalaris ) is a species of bird from the blackbird family (Icteridae). This species is endemic to Colombia . The stock is on the IUCN as endangered ( Endangered estimated). The species is considered to be monotypical .

features

The brown axillary blackbird reaches a body length of about 30 centimeters. It is completely black and has a long, slightly rounded tail. The black beak is conical . Even if it looks completely dark black-blue, it has maroon stripes on the wings and axillary feathers. A sexual dimorphism is not pronounced.

behavior

The bird moves in groups in the middle and higher strata . Groups of up to 30 birds were observed. Its breeding season is in September. Males and females cooperate in breeding and breed in colonies. Often you see him together with other fruit-eaters .

distribution and habitat

Its habitat are the forests of the subtropics and the temperate zone at altitudes between 2400 and 2900 meters. Research has shown that its habitat is very special. Thus one finds it only in oak forests with a type called Quercus humboldtii and areas with trees of the genus of Escalloniaceae belonging kind Escallonia pendula . It occurs mainly in the eastern Andes of Colombia in the Santander department . Here it is relatively common in the nature reserve Santuario de Fauna y Flora Guanenta Alto Río Fonce . In addition, occurrences in the Parque Nacional Natural Serranía de los Yariguíes have been reported.

Naming

Auguste Boissonneau first described the brown axilla under the name Quiscalus subalaris . “Macroagelaius” is derived from the Greek words “macros” for “long, large” and “Agelaius” for “blackbird, black bird”. The name of the specific epithet has Boissonneau almost- from the Latin words "sub" for ", rather, something that made" and "alar" axillary for "to the wing troops belonging".

literature

  • Steven L. Hilty , William L. Brown: A Guide to the Birds of Colombia. Princeton University Press, 1986, p. 593, ISBN 978-0691083728 .
  • Robert S. Ridgely , Guy Tudor , William Liddle Brown: The Birds of South America. Volume I: The Oscine Passerines. Jays and Swallows, Wrens, Thrushes, and Allies, Vireos and Wood-Warblers, Tanagers, Icterids, and Finches. University of Texas Press, 1989, ISBN 9780292707566 , p. 258.
  • James A. Jobling, A Dictionary of Scientific Bird Names , Oxford University Press, 1992, ISBN 978-0198546344

Web links

Individual evidence

  1. ↑ Macroagelaius subalaris in the IUCN Red List of Threatened Species 2010.4. Listed by: BirdLife International, 2008. Retrieved March 20, 2011.
  2. ↑ BirdLife International: Mountain Grackle Macroagelaius subalaris Information on the black axillary blackbird
  3. ^ Revue zoologique par la Société cuviérienne 1840 Oiseaux nouveaux ou peu connus de Santa-Fé de Bogota Quiscalus subalaris (French)