![]() ![]() Large thick coat absent thumb prehensile tail naked dark face no sexual dimorphism small canines in both sexes Long, slender arms and legs pot-bellied ♀ larger than ♂ small big toe prehensile hand thumb small or absent Large robust long fur prehensile tail hairless on bottom bare face large modified hyoid specialized for producing a loud call (larger in ♂) opposable big toe ![]() Thick, coarse coat: grey or black long hair on head lower incisors resemble dental combs Medium size long thick dark coat full, bushy beard long thick tail ![]() North central Brazil Guyana French Guiana Surinam southern Venezuela Short tail hairless bright red face lower incisors compressed similar to a dental comb large canines ![]() Northwestern Brazil eastern Peru south-western Venezuela Long, bushy fur tail long, non-prehensile form strong pair bonds, often seen sitting side by side with tails entwined Only nocturnal New World monkey grooming claw on 4th digit of both feet eyes lack tapetumĬolumbia to Paraguay south-eastern Brazil Small fur is short, dense, gray-green to olive pale on belly ♂ larger than ♀ Short semi prehensile tail coats black or brown thumb well differentiated large big toe clitoris is prominent ♂ larger than ♀ ♂ canines larger Non-opposable thumbs claws on fingers except 1st digit of toes canines larger than incisors Non-opposable thumbs claws on fingers except 1st digit of toes fur golden with black markings Non-opposable thumbs claws on fingers except 1st digit of toes large chisel-like incisors and canines ♀ external genitalia resembles ♂’s Upper and middle Amazon Brazilian coast south of the Amazon Western Brazil northern Bolivia eastern Peru ColumbiaĪll black short fur claws instead of nails except for hallux, which has a nail Large heavy body long arms short slightly furred tail black-brown coat black hairless faceĭark grey to black pale markings on body and head newborn orange or reddish brown (changes to adult color at 3 months) Large robust body and limbs muzzle white, hairless coat long, multi-colored (yellowish, brown, or black) upturned small nose, forward pointing nostrils rounded face ♂ larger Large short fur thighs, hands, and feet black legs red head brown and bright chestnut below ears face black or yellow ♂ canines larger Juveniles of both sexes have perianal organs that mimic adult ♀ sexual swelling coat olive-brown or orange-red Medium to large long tail fur long face black newborns often lighter in color and darken with age opposable thumb ♂ canines larger Leaf-monkey surilis bearded langur crested langur Large hair dark red to brown bare face ♂ nose long, wide, hangs over mouth, smaller and upturned in ♀s large ischial callosity pot-bellied 2nd and 3rd toes webbed small thumb ♂ 50% larger than ♀ĭark coat and bright red ventrally bright red cheeks and forearms long tail small thumb Large, slender body long tail coat glossy black, long, with white mantling prominent nose ischial callosities small thumb Large, rounded muzzle upper lip long and bulbous ♂ long dark heavy mane chest bare patch with color change in ♀ during estrus ischial callosities ♂ canines larger Large dense coat prominent muzzle tail moderately long prominent ischial callosities, continuous in ♂/separate in ♀ ♂ prominent canines Small fur green, speckled with black pale yellow arms and legs tail equal in length to body length sexual skin swelling in ♀s leucophaeus also has olive green coat face black with white checks sphinx: large, brightly colored muzzle perianal skin red scrotum pale purple and pink long tail. Medium to large, heavy bodied brown narrow nose sexually dimorphic in size prominent ischial callosities cheek pouches Long limbs and tail long molars and large incisors estrous anogenital swelling or reddening Large, slender long limbs, slender tail red brown coarse hair nose dark when young and gray or white in adults small ischial callosities blue scrotum Kitts, Nevus, Caribbean)Ībdominal skin blue scrotum and ♂ perianal area blue red penis long, sharp canines Medium to large fur is thick, short, green, yellow, and black nose spots, moustaches, and beards slender long tail small ischial callosities blue scrotum Large, slender bodies under parts fawn or cream ♂s ischial callosities fused in the midline moderate ♀ sexual skin swelling Stocky, pelage olive green dorsally, white ventrally, face pink, longer hair on cheeks red scrotum, webbing between fingers and toes ![]()
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