The bicolored antbird (''Gymnopithys bicolor'') is a species of
bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...
in the family
Thamnophilidae
The antbirds are a large passerine bird family, Thamnophilidae, found across subtropical and tropical Central and South America, from Mexico to Argentina. There are more than 230 species, known variously as antshrikes, antwrens, antvireos, fire ...
. It is found in Honduras south to Panama, western Colombia and Ecuador. Its natural
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
is
subtropical or tropical moist lowland forest
Tropical and subtropical moist broadleaf forests (TSMF), also known as tropical moist forest, is a subtropical and tropical forest habitat type defined by the World Wide Fund for Nature.
Description
TSMF is generally found in large, discont ...
.
It is dark brown with a white belly and grey and black facial markings.
Taxonomy
The bicolored antbird was
described by the American amateur ornithologist
George Newbold Lawrence
George Newbold Lawrence (October 20, 1806 – January 17, 1895) was an American businessman and amateur ornithologist.
Early life
Lawrence was born in the city of New York on October 20, 1806.
From his youth, Lawrence was a lover of birds and s ...
in 1863 and given the
binomial name
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''Pithys bicolor''.
There are five recognised subspecies:
* ''G. b. olivascens'' (
Ridgway, 1891) – Honduras to west Panama
* ''G. b. bicolor'' (Lawrence, 1863) – east Panama and northwest Colombia
* ''G. b. daguae''
Hellmayr
Carl Eduard Hellmayr (29 January 1878 in Vienna, Austria – 24 February 1944 in Orselina, Switzerland) was an Austrian ornithologist.
Biography
Hellmayr was born in Vienna and studied at the University of Vienna, although he did not complete hi ...
, 1906 – west Colombia
* ''G. b. aequatorialis'' (Hellmayr, 1902) – southwest Colombia and west Ecuador
* ''G. b. ruficeps''
Salvin &
Godman, 1892 – central Colombia
The bicolored antbird was formerly considered as
conspecific
Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species.
Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organ ...
with the
white-cheeked antbird
The white-cheeked antbird (''Gymnopithys leucaspis'') is an insectivorous bird in the antbird family Thamnophilidae. It is found to the east of the Andes in Ecuador, Colombia, northern Peru and western Brazil. Its natural habitat is subtropical o ...
. They were split into separate species based on the results of a genetic study published in 2007 that found that the white-cheeked antbird was more similar to the
rufous-throated antbird
The rufous-throated antbird (''Gymnopithys rufigula'') is a species of bird in the family Thamnophilidae. It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela. Its natural habitat is subtropical or tropical moist lowland forests ...
than it was to the bicolored antbird.
Gallery
Image:Bicolored Antbird RWD.jpg, Soberania National Park, Panama
File:Gymnopithys-leucaspis-002.jpg, Parque Nacional Darién, Panama
References
`
Further reading
* Skutch describes the race ''Gymnopithys leucaspis olivascen'' which after the split is now ''Gymnopithys bicolor olivascens''.
External links
Xeno-canto: audio recordings of the bicolored antbird
bicolored antbird
The bicolored antbird (''Gymnopithys bicolor'') is a species of bird in the family Thamnophilidae. It is found in Honduras south to Panama, western Colombia and Ecuador. Its natural habitat is subtropical or tropical moist lowland forest.
It is ...
Birds of Honduras
Birds of Nicaragua
Birds of Costa Rica
Birds of Panama
Birds of the Tumbes-Chocó-Magdalena
bicolored antbird
The bicolored antbird (''Gymnopithys bicolor'') is a species of bird in the family Thamnophilidae. It is found in Honduras south to Panama, western Colombia and Ecuador. Its natural habitat is subtropical or tropical moist lowland forest.
It is ...
Taxonomy articles created by Polbot
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