Black-mantled Tamarin
Encyclopedia
The black-mantled tamarin, Saguinus nigricollis, is a species
of tamarin
from the northwestern Amazon
in far western Brazil
, southeastern Colombia
and northeastern Peru
. It has often included the Graells's Tamarin
as a subspecies
(in which case the distribution extends into eastern Ecuador
), but differs from that species in having reddish-orange rump and thighs. The two are often said to be sympatric in Colombia (a major argument for treating them as separate species), though the accuracy of such reports has been questioned. The body length 15 -28 cm. The tail length is 27-42 cm.
Family groups consisting of a male, a female and 1 or 2 young live in a defined territoty - the female marks brances on the boundaries of the territory with secretions of her anal glands and urine. The female gives birth to 2 young after a gestation of 140 to 150 days. It mainly eats insects, leaves, and fruit.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of tamarin
Tamarin
The tamarins are squirrel-sized New World monkeys from the family Callitrichidae in the genus Saguinus. They are closely related to the lion tamarins in the genus Leontopithecus.- Range :...
from the northwestern Amazon
Amazon Rainforest
The Amazon Rainforest , also known in English as Amazonia or the Amazon Jungle, is a moist broadleaf forest that covers most of the Amazon Basin of South America...
in 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...
, southeastern 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...
and northeastern 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 has often included the Graells's Tamarin
Graells's Tamarin
Graells's tamarin, Saguinus graellsi, is a species of tamarin from the northwestern Amazon in southeastern Colombia, eastern Ecuador and northeastern Peru. It has often been treated as a subspecies of the Black-mantled Tamarin, but differs from that species in having a dull olive-brown lower back,...
as a 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...
(in which case the distribution extends into eastern 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...
), but differs from that species in having reddish-orange rump and thighs. The two are often said to be sympatric in Colombia (a major argument for treating them as separate species), though the accuracy of such reports has been questioned. The body length 15 -28 cm. The tail length is 27-42 cm.
Family groups consisting of a male, a female and 1 or 2 young live in a defined territoty - the female marks brances on the boundaries of the territory with secretions of her anal glands and urine. The female gives birth to 2 young after a gestation of 140 to 150 days. It mainly eats insects, leaves, and fruit.