Information about the Bird Boa Nova Tapaculo
The Bahian mouse-colored tapaculo or Boa Nova tapaculo (Scytalopus gonzagai) is a species of passerine bird native to Bahia, Brazil.
The species was named after Luiz Antonio Pedreira Gonzaga, a Brazilian ornithologist who discovered two bird species in Bahia in the 1990s. Locals call it the "Macuquinho-preto-baiano".
The species was first observed in the early 1990s, when it was misidentified as part of the Scytalopus speluncae species, or the mouse-coloured tapaculos. A neighboring yet geographically isolated population was found in 1999. In 2014, researchers from the Universidade Federal de Pelotas recognized S. gonzagai as a unique species.
Covered in grey plumage and with yellow to brown claws, the species measures 12 centimetres (4.7in) long and weighs 15 grams (0.53oz).
The species' range is limited to five patches of forest in mountainous parts of the Atlantic Forest in southern Bahia, Brazil, having been found in the municipalities of Arataca, Boa Nova, and Igua. This is an area covering about 5,885 hectares. S. gonzagai is usually found under dense vegetation or in branches no higher than 2 metres (6.6ft) off the ground.
Males are territorial, being found either on their own or as part of a pair with a female. Females are typically only found paired with a male. The species has been observed to have three different kinds of call - a "kreew" sound, which probably serves as a sort of contact call, an alarm call, and the song. Only females sing. Distribution is usually about 0.49 individuals per hectare.
The Bahian mouse-colored tapaculo is estimated to consist of no more than 2,883 individuals, and is threatened by logging and deforestation, resulting in the scientists who described it urging that it be classified as an endangered species on the IUCN Red List.
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