The Brown-headed spider monkey (Ateles fusciceps fusciceps ), is a subspecies of the Black-headed spider monkey

Black-headed Spider Monkey

The Black-headed spider monkey, Ateles fusciceps, is a species of spider monkey, a type of New World monkey, from Central and South America. It is found in Colombia, Nicaragua and Panama. Although primatologists such as Colin Groves follow Kellogg and Goldman in treating A...

, a type of New World monkey

New World monkey

New World monkeys are the five families of primates that are found in Central and South America: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae. The five families are ranked together as the Platyrrhini parvorder and the Ceboidea superfamily, which are essentially synonymous since...

, found in 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...

. Its type locality is at 1500 m in the Hacienda Chinipamba, Imbabura Province

Imbabura Province

Imbabura is a province in Ecuador. The capital is Ibarra. The people of the province speak Spanish and the Imbaburan Quechua language.Imbabura Volcano is located in the province. Best reached from the town of La Esperanza, the 4,609-meter-high mountain can be climbed in a single day.- Cantons...

 in North-West Ecuador. Some authorities, such as Froelich (1991), Collins and Dubach (2001) and Nieves (2005), do not recognize the Black-headed spider monkey as a distinct species and so treat the Brown-headed spider monkey as a subspecies of Geoffroy's spider monkey

Geoffroy's Spider Monkey

Geoffroy's spider monkey, Ateles geoffroyi, also known as black-handed spider monkey, is a species of spider monkey, a type of New World monkey, from Central America, parts of Mexico and possibly a small portion of Colombia. There are at least five subspecies. Some primatologists classify the...

.

The Brown-headed spider monkey lives in tropical and subtropical humid forests that are between 100 and 1700 m (328.1 and 5,577.4 ft) above sea level. It lives in population densities of 1.2 monkeys per square kilometer. It has a black or brown body and a brown head, while the Colombian spider monkey

Colombian Spider Monkey

The Colombian spider monkey , is a subspecies of the Black-headed spider monkey, a type of New World monkey, found in Colombia and Panama...

(A. f. rufiventris) is entirely black with some white on its chin.