Did you know?
Squirrel monkeys have the largest brain to body mass of all primates.
Quick Facts
Weight: 750-1100g
Size: body length - 25-25cms, tail 35-40cms
Number of offspring: 1 with yearly intervals
Gestation: 5-5.5 months
Maturity: Males – 3.5yrs, Females – 2.5yrs
Lifespan: 15-20yrs
Predators: Raptors, snakes and cat species
BOLIVIAN Squirrel Monkey
Simia sciureus
Habitat
Primarily found in tropical lowland rainforest and have few restrictive habitat requirements
Natural behavior
Diurnal and arboreal, predominantly using quadrupedal walking or running. Living in home ranges but are not strictly territorial. Males establish dominance through fierce fighting and urine washing
Description
Small, white face with black nose and muzzle. Coat colour varies from brown and grey to golden. Slim, long tail with black tip, which is longer in length than their body
Distribution
Central to South America; The Amazon
Diet
Omnivore, primarily eating insects and fruit but also seeds, birds and eggs, spending much of the day foraging
Reproduction
Polygamous mating system. Breeding is highly seasonal and females will all come into oestrus at approximately the same time and lasts from August till early October. Females are responsible for almost all-infant care
Social structure
Social; living in large hierarchical groups (troops) of 40-50 individuals, may reach numbers of 200 with multi male-female groups. Males disperse from natal groups at sexual maturity while females stay within their natal group their entire lives. Males will also form bachelor groups. Both sexes have independent dominance hierarchies
Threats
Deforestation; logging for timber industry, land clearing for agriculture. Hunting for the illegal pet trade and medical research
