| Collared crescentchest | |
|---|---|
 | |
| at Chapada dos Guimarães, Mato Grosso State, Brazil | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Melanopareiidae |
| Genus: | Melanopareia |
| Species: | M. torquata |
| Binomial name | |
| Melanopareia torquata (Wied, 1831) | |
 | |
The collared crescentchest (Melanopareia torquata) is a species of bird in the family Melanopareiidae. It is found in Bolivia, Brazil, and Paraguay. [2]
The crescentchests (genus Melanopareia) were previously included in family Rhinocryptidae, the tapaculos. A 2010 publication confirmed earlier work and created their present genus. [3] [4] The International Ornithological Congress (IOC) recognizes two subspecies of the collared crescentchest, the nominate Melanopareia torquata torquata and M. t. rufescens. [2] The South American Classification Committee of the American Ornithological Society (AOS) and the Clements taxonomy consider the double-collared crescentchest (M. bitoquata) to be a third subspecies. [3] [5]
The collared crescentchest is 14.5 cm (5.7 in) long. Two unsexed specimens of M. t. rufescens weighed 16.5 and 18.0 g (0.58 and 0.63 oz). The nominate subspecies' back and rump are brown and the underparts buff. The crown of the head is gray brown. It has a narrow white supercilium edged with black, a rufous "collar" on the back of the neck, and a black band across the breast. Subspecies M. t. rufescens is almost identical but its crown is reddish brown. [6]
The collared crescentchest is found primarily in central Brazil but also occurs in far northeastern Paraguay. It inhabits cerrado, a biome characterized by a mix of savannah and woodlands. It prefers wetter open areas and avoids disturbed areas. In elevation it ranges up to 1,400 m (4,600 ft). [6]
The collared crescentchest's diet has not been described but the species is assumed to be insectivorous. [6]
Little is known about the collared crescentchest's breeding phenology. Its nest is a globe of dry grass and leaves placed near the ground. Two eggs are laid and both sexes incubate them and care for nestlings. [6]
Both sexes of collared crescentchest sing year round, usually from atop a low shrub. The song is "a series of 3-6 loud, resonant 'chip' notes" . Its call is "a penetrating churr" . [6]
The IUCN has assessed the collared crescentchest as being of Least Concern. [1] "Despite widespread degradation of cerrado habitat, the population of Collared Crescentchest is believed to be relatively stable throughout its large range." [6]
The elegant crescentchest is a species of bird in the family Melanopareiidae. It is found in Ecuador and Peru.
The crescentchests are a genus, Melanopareia, of suboscine passerine birds from South America. The genus has long been placed with the tapaculos in the family Rhinocryptidae. Their placement there has been questioned and in 2007 the genus was placed in its own family, Melanopareiidae, by the South American Classification Committee. Subsequently, the family was accepted by the International Ornithological Congress Bird List and the Clements Checklist. The family Melanopareiidae was formally erected in 2009.
The Marañón crescentchest is a species of bird in the family Melanopareiidae. It is found in southern Ecuador and northern Peru.
The olive-crowned crescentchest is a species of bird in the family Melanopareiidae. It is found in Argentina, Bolivia, and Paraguay.
The neblina tapaculo is a species of bird in the family Rhinocryptidae. It is endemic to the Andes of northern Peru.
The white-crowned tapaculo is a species of bird in the family Rhinocryptidae. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela.
The Bolivian tapaculo is a species of bird in the family Rhinocryptidae. It is found in Bolivia and Peru.
The Paramo tapaculo is a species of bird in the family Rhinocryptidae. It is found in the Andes of Ecuador and southern Colombia.
The Caracas tapaculo is a species of bird in the family Rhinocryptidae. It is endemic to Venezuela.
The rufous-vented tapaculo is a species of bird in the family Rhinocryptidae. It is endemic to Peru.
The Mérida tapaculo is a species of bird in the family Rhinocryptidae. It is endemic to Venezuela.
The Tacarcuna tapaculo is a species of bird in the family Rhinocryptidae. It is found in Panama and Colombia.
The trilling tapaculo is a species of bird in the family Rhinocryptidae. It is found in Bolivia and Peru.
The puna tapaculo is a species of bird in the family Rhinocryptidae. It is found in Bolivia and Peru.
The Nariño tapaculo is a species of bird in the family Rhinocryptidae. It is found in Colombia and Ecuador.
The Diamantina tapaculo is a species of bird in the family Rhinocryptidae. It is endemic to northeastern Brazil.
The Tatama tapaculo is a species of bird in the family Rhinocryptidae. It is endemic to western Colombia.
The double-collared crescentchest is a species of bird in the family Melanopareiidae. It is found in eastern Bolivia and adjacent areas in Brazil.
The Utcubamba tapaculo is a species of bird in the family Rhinocryptidae that the South American Classification Committee of the American Ornithological Society split from blackish tapaculo in July 2020. It is endemic to Peru.
The Loja tapaculo is a species of bird in the family Rhinocryptidae that the South American Classification Committee of the American Ornithological Society (AOS) accepted as a new species in July 2020. It had been classified as a subspecies of paramo tapaculo. It is found in Ecuador and Peru.
