Order : Primates
Family : Cebidae
Subfamily : Alouattinae
Facts about the subfamily Alouattinae, the howler monkeys
The diet of howler monkeys is composed of a larger percentage of leaves, especially new leaves, than that of their close relatives, although howlers do eat fruit.
Howler monkeys are among the largest of the New World primates, weighing 6 to 9 kilograms when adult.
Howler monkeys are found in Central and South America, but nowhere are they more accessible than in Costa Rica.
Howler Monkeys are the heaviest and largest monkeys found in Central and South America, living in groups up in the trees.
Howler monkeys are the only South American mammal that howls.
Howler Monkeys Howler monkeys are found in tropical rain forests and deciduous forests.
I reckon howler monkeys is much more apt, but.
In fact, the most outstanding characteristic of howler monkeys is their howl-- a long, drawn-out sonorous call produced by drawing air into an enlarged hyoid bone in the throat.
PHYSICAL CHARACTERISTICS: The six species of howler monkeys are among the largest of the American or New World monkeys.
The weight of male howler monkeys is usually larger than that of females but there is considerable variation.
Geographic Range Mantled howler monkeys are found in southern Mexico (the states of Veracruz, Campeche, Chiapas, Oaxaca, and Tabasco), from Honduras in Central America to Colombia and western Ecuador in South America, and possibly in southern Guatemala where some unconfirmed sightings have been reported (Reid 1997, Cortes-Ortiz et al. (Full text)
Although threatened in their native South America due to habitat loss, the North American population of howler monkeys is at a sustainable level, so the AZA does not recommend that the monkeys breed at this time. (Full text)
by Terry Dunn Howler monkeys are named and known for the loud, guttural howls that they routinely use at the beginning and end (Full text)
Black Howler Monkey The six species of howler monkeys are among the largest of the American or New World monkeys. (Full text)
perforata in the diet of howler monkeys is mainly due to its content of water and calcium. (Full text)
Howler monkeys are vegetarians, feeding on flowers, fruits and leaves. (Full text)
ABSTRACT The genus Alouatta (howler monkeys) is the most widely distributed of New World primates, and has been arranged in three species groups: the Central American Alouatta palliata group and the South American Alouatta seniculus and Alouatta caraya groups. (Full text)
Hoping to find a feast, this traveling clan of howler monkeys is inspecting the new crop for ripe fruit. (Full text)