Chestnut-belted Gnateater
Encyclopedia
The Chestnut-belted Gnateater (Conopophaga aurita) is a species of bird
in the Conopophagidae family, the gnateater
s. It is found in the Amazon Basin
of northern Brazil
, southern Colombia
and eastern Peru
and Ecuador
; also the Guianan countries of Guyana
, Suriname
and eastern French Guiana
.
Its natural habitat
is tropical moist lowland forest
s. It includes the taxa snethlageae and pallida of the south-eastern Amazon as subspecies
. They are vocally and morphologically
distinctive, and consequently sometimes considered a separate species, the Snethlage's Gnateater (Conopophaga snethlageae, with subspecies pallida).
or white belly. The female has a rufous face, throat and chest, and a buff or white belly. Males of the subspecies snethlageae and pallida are distinctive, as the black of the face and throat extends well onto the central chest, with rufous of the underparts limitied to the edge of the black chest.
, centered on the Amazon River
. The following range limits are: it covers the entire downstream half of the regions in the south Basin and does not extend into Bolivia. The limits in the west are eastern and northeastern Peru with parts of northeast Ecuador and southern Colombia; the limit in this area in the west and northwest is the Rio Negro and the species is not found in the north central Amazon Basin of most of Brazil's Roraima
state.
The range in the northeast Basin beyond the Amazon River outlet extends through Amapá
state into the Guianas to the Atlantic
coast, and the central and eastern Guiana Shield to include only eastern Guyana.
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...
in the Conopophagidae family, the gnateater
Gnateater
The gnateaters are a bird family, Conopophagidae, consisting of ten small passerine species in two genera, which occur in South and Central America...
s. It is found in the Amazon Basin
Amazon Basin
The Amazon Basin is the part of South America drained by the Amazon River and its tributaries that drains an area of about , or roughly 40 percent of South America. The basin is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela...
of northern Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
, southern Colombia
Colombia
Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...
and eastern Peru
Peru
Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....
and Ecuador
Ecuador
Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...
; also the Guianan countries of Guyana
Guyana
Guyana , officially the Co-operative Republic of Guyana, previously the colony of British Guiana, is a sovereign state on the northern coast of South America that is culturally part of the Anglophone Caribbean. Guyana was a former colony of the Dutch and of the British...
, Suriname
Suriname
Suriname , officially the Republic of Suriname , is a country in northern South America. It borders French Guiana to the east, Guyana to the west, Brazil to the south, and on the north by the Atlantic Ocean. Suriname was a former colony of the British and of the Dutch, and was previously known as...
and eastern French Guiana
French Guiana
French Guiana is an overseas region of France, consisting of a single overseas department located on the northern Atlantic coast of South America. It has borders with two nations, Brazil to the east and south, and Suriname to the west...
.
Its natural habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...
is tropical moist lowland forest
Forest
A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...
s. It includes the taxa snethlageae and pallida of the south-eastern Amazon as subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
. They are vocally and morphologically
Morphology (biology)
In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....
distinctive, and consequently sometimes considered a separate species, the Snethlage's Gnateater (Conopophaga snethlageae, with subspecies pallida).
Description
It is a small dark bird with a relatively stout bill, brown upperparts and crown (the latter often tinged rufous), a white supercilium, and pinkish-grey legs. The male has a black frontlet, face and throat, a rufous chest, and buffBuff (colour)
Buff is a pale yellow-brown colour that got its name from the colour of buff leather.Displayed on the right is the colour buff.EtymologyAccording to the Oxford English Dictionary, buff as a descriptor of a colour was first used in the London Gazette of 1686, describing a uniform to be "A Red Coat...
or white belly. The female has a rufous face, throat and chest, and a buff or white belly. Males of the subspecies snethlageae and pallida are distinctive, as the black of the face and throat extends well onto the central chest, with rufous of the underparts limitied to the edge of the black chest.
Range: Guianas, Rio Negro to southern Amazon Basin
The range of the Chestnut-belted Gnateater is throughout the Amazon BasinAmazon Basin
The Amazon Basin is the part of South America drained by the Amazon River and its tributaries that drains an area of about , or roughly 40 percent of South America. The basin is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela...
, centered on the Amazon River
Amazon River
The Amazon of South America is the second longest river in the world and by far the largest by waterflow with an average discharge greater than the next seven largest rivers combined...
. The following range limits are: it covers the entire downstream half of the regions in the south Basin and does not extend into Bolivia. The limits in the west are eastern and northeastern Peru with parts of northeast Ecuador and southern Colombia; the limit in this area in the west and northwest is the Rio Negro and the species is not found in the north central Amazon Basin of most of Brazil's Roraima
Roraima
Roraima is the northernmost and least populated state of Brazil, located in the Amazon region. It borders the states of Amazonas and Pará, as well as the nations of Venezuela and Guyana. The population is 400,000 and the capital is Boa Vista...
state.
The range in the northeast Basin beyond the Amazon River outlet extends through Amapá
Amapá
Amapá is one of the states of Brazil, located in the extreme north, bordering French Guiana and Suriname to the north. To the east is the Atlantic Ocean, and to the south and west is the Brazilian state of Pará. Perhaps one of the main features of the state is the River Oiapoque, as it was once...
state into the Guianas to the Atlantic
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...
coast, and the central and eastern Guiana Shield to include only eastern Guyana.
External links
- Chestnut-belted Gnateater photo gallery VIREO
- Graphic-Medium Res & synopsis www.eln.gov.br–(Portuguese)
- Photo-High Res; Article oiseaux
- Photo; Article loyersf.org.ru
