Striated Antbird
Encyclopedia
The Striated Antbird is a species of bird
in the Thamnophilidae family, the antbird
s. It is found in the western and south-central Amazon
in South America
. As presently defined, it has two subspecies
: the nominate subspecies in the west, and D. d. subochracea in the south-central Amazon. The latter is sometimes known as the Xingu Antbird, but this leads to confusion with Willisornis vidua.
's southwest as well as the south-central area in the countries of southeastern Peru, northwestern Bolivia and Brazil. The range is bifurcated in Bolivia, with the northwestern birds in the headwater river basins of the Madeira River
of Brazil's Amazonas state, and the eastern Bolivian birds in the headwaters of the Guapore River
, the Bolivian-Brazilian border river flowing westward into the Madeira. An extension of the western Bolivian range reaches southeastward into central Bolivia.
A disjunct
population of the Striated Antbird, is in a strip, 100 km wide by 400 km in northern Ecuador, and extreme southwestern Colombia.
The southern tributary rivers to the Amazon
that are in the species' range are the Madeira River and the Purus and Jurua Rivers to the west. The eastward limit of the range is the Tapajós
and its headwaters bordering the Cerrado
's northwest limits.
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 Thamnophilidae family, the antbird
Antbird
The antbirds are a large family, Thamnophilidae, of passerine birds found across subtropical and tropical Central and South America, from Mexico to Argentina. There are more than 200 species, known variously as antshrikes, antwrens, antvireos, fire-eyes, bare-eyes and bushbirds...
s. It is found in the western and south-central Amazon
Amazon Rainforest
The Amazon Rainforest , also known in English as Amazonia or the Amazon Jungle, is a moist broadleaf forest that covers most of the Amazon Basin of South America...
in South America
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...
. As presently defined, it has two 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...
: the nominate subspecies in the west, and D. d. subochracea in the south-central Amazon. The latter is sometimes known as the Xingu Antbird, but this leads to confusion with Willisornis vidua.
Range in Amazon South America
The Striated Antbird has one large continuous range in 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...
's southwest as well as the south-central area in the countries of southeastern Peru, northwestern Bolivia and Brazil. The range is bifurcated in Bolivia, with the northwestern birds in the headwater river basins of the Madeira River
Madeira River
The Madeira River is a major waterway in South America, approximately 3,250 km miles long The Madeira is the biggest tributary of the Amazon...
of Brazil's Amazonas state, and the eastern Bolivian birds in the headwaters of the Guapore River
Guaporé
Guaporé may refer to:*Guaporé River in Brazil/Bolivia*Guaporé, Rio Grande do Sul in Brazil*The former name of Rondônia...
, the Bolivian-Brazilian border river flowing westward into the Madeira. An extension of the western Bolivian range reaches southeastward into central Bolivia.
A disjunct
Disjunct distribution
In biology, a taxon with a disjunct distribution is one that has two or more groups that are related but widely separated from each other geographically...
population of the Striated Antbird, is in a strip, 100 km wide by 400 km in northern Ecuador, and extreme southwestern Colombia.
The southern tributary rivers to the Amazon
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...
that are in the species' range are the Madeira River and the Purus and Jurua Rivers to the west. The eastward limit of the range is the Tapajós
Tapajós
The Tapajós, a Brazilian river running through a humid and hot valley, pours into the Amazon River 500 miles above Pará and is about 1200 miles long.It rises on the lofty Brazilian plateau near Diamantino in 14 degrees 25' south latitude...
and its headwaters bordering the Cerrado
Cerrado
The Cerrado, is a vast tropical savanna ecoregion of Brazil, particularly in the states of Gioas and Minas Gerais...
's northwest limits.