The Black-billed Mountain Toucan (Andigena nigrirostris) 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 Ramphastidae family. It is found in humid highland forests in the Andes of western Venezuela

Venezuela

Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...

, 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...

, 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...

 and far northern 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....

. It is the only mountain-toucan with a white throat. Despite its name, only the nominate subspecies has an entirely black bill, while both A. n. occidentalis and A. n. spilorhyncha have bills that are chestnut

Chestnut (color)

Chestnut, also known as Indian red, is a color, a medium brownish shade of red, and is named after the nut of the chestnut tree.As Indian red, it is named after the red laterite soil found in India. It is thus an earth tone as well as a red. It is composed of naturally occurring iron oxides. Other...

 and black.

Literature

• John Gould
  John Gould
  John Gould was an English ornithologist and bird artist. The Gould League in Australia was named after him. His identification of the birds now nicknamed "Darwin's finches" played a role in the inception of Darwin's theory of evolution by natural selection...
  
   and Henry Constantine Richter
  Henry Constantine Richter
  Henry Constantine Richter was a zoological illustrator.Richter was employed by John Gould to assist with the illustrations of his zoological works after the death of Gould's wife Elizabeth...
  
  : A Monograph of the Ramphastidae, or Family of Toucans, London 1854
  • Newly printed with an Introduction by Jonathan Elphick
    Jonathan Elphick
    Jonathan Elphick is a natural history author, editor and consultant. He is an eminent ornithologist, a qualified zoologist; Fellow of the Zoological Society of London and a Fellow of the Linnean Society of London...
    
    , Taschen
    Taschen
    Taschen is an art book publisher founded in 1980 by Benedikt Taschen in Cologne, Germany. It began as Taschen Comics publishing Benedikt's extensive comic collection...
    
    , Köln, Germany 2011 ISBN 978-3-8365-0524-6