Niceforo's Pintail is an extinct

Extinction

In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

 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...

 of the Yellow-billed Pintail

Yellow-billed Pintail

The Yellow-billed Pintail is a South American dabbling duck of the genus Anas with three described subspecies.-Description:...

 (Anas georgica), a duck

Duck

Duck is the common name for a large number of species in the Anatidae family of birds, which also includes swans and geese. The ducks are divided among several subfamilies in the Anatidae family; they do not represent a monophyletic group but a form taxon, since swans and geese are not considered...

 in the dabbling duck subfamily Anatinae

Anatinae

The Anatinae is a subfamily of the family Anatidae . Its surviving members are the dabbling ducks, which feed mainly at the surface rather than by diving...

. One of three subspecies, it was found in central Colombia but became extinct in the 1950s, being last seen in 1952.

Description

Niceforo’s Pintail was darker and richer in colouration than the nearest other subspecies, the Chilean Pintail

Chilean Pintail

The Chilean Pintail , also known as the Brown Pintail, is a subspecies of the Yellow-billed Pintail , a duck in the dabbling duck subfamily Anatinae...

 A. g. spinicauda, with the head and neck more streaked, the crown dark brown and with a less pointed tail.

Distribution

The former range of included subtropical and temperate zones of north-central Colombia, 1000-3000 m above sea level in the upper Cauca Valley

Cauca River

The Cauca River is a river in Colombia that lies between the Occidental and Central cordilleras. Born in southwestern Colombia near the city of Popayán, it joins the Magdalena River near Pinillos in Bolívar Department, and the combined river eventually flows out into the Caribbean Sea. It has a...

, the central part of the Cordillera Oriental, the Bogota Savannah and Cundinamarca

Cundinamarca Department

- Origin of the name :The name of Cundinamarca comes from Kundur marqa, an indigenous expression, probably derived from Quechua. Meaning "Condor's Nest", it was used in pre-Columbian times by the natives of the Magdalena Valley to refer to the nearby highlands....

.