The Rufous Twistwing is a species of bird

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 family Tyrannidae. It was described as a new species

Bird species new to science

This article describes bird species new to science since 1900. Prior to the 20th century, and indeed into its early decades, the pace of discovery of new species was fast; during this period, with numerous collecting expeditions into species-rich areas not previously visited by western...

 in 2007.

It is associated with bamboo

Bamboo

Bamboo is a group of perennial evergreens in the true grass family Poaceae, subfamily Bambusoideae, tribe Bambuseae. Giant bamboos are the largest members of the grass family....

 growing in humid forested regions in south-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....

, northern Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

 and far western 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...

 (Acre

Acre (state)

Acre is one of the 27 states of Brazil. It is situated in the southwest of the Northern Region, bordering Amazonas to the north, Rondônia to the east, Bolivia to the southeast and the Ucayali Region of Peru to the south and west. It occupies an area of 152,581.4 km2, being slightly smaller...

 only). Most of its range is remote. Nevertheless, it has recently been estimated that the total population is below 10,000 individuals, leading to recommendations of treating it as vulnerable

Vulnerable species

On 30 January 2010, the IUCN Red List of Threatened Species identified 9694 Vulnerable species, subspecies and varieties, stocks and sub-populations.-References:...

, and this was followed by BirdLife International

BirdLife International

BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...

 in 2009. As suggested by its common name

Common name

A common name of a taxon or organism is a name in general use within a community; it is often contrasted with the scientific name for the same organism...

, its primaries are modified as in the related, but smaller, Brownish Twistwing

Brownish Twistwing

The Brownish Twistwing , also known as the Brownish Flycatcher, is a species of bird in the Tyrannidae. It was the only member of the genus Cnipodectes until the description of Cnipodectes superrufus in 2007....

. Unlike the Brownish Twistwing, the Rufous Twistwing is bright rufous overall.

In 2009, Andrew Spencer recorded the effect of the twist in the wings of the Rufous Twistwing. To hear the sound, follow the link at the bottom of this page.

External links

• Photo of the Rufous Twistwing - neomorphus.com
• http://www.xeno-canto.org/recording.php?XC=40219