Night monkey
Ecology
In night monkeys, mating occurs infrequently, however females are fertile year-round, with reproductive cycles range from 13–25 days. The gestation period for night monkey is approximately 117– 159 days but varies from species to species. Birthing season extends from September to March and is species dependant, with one offspring being produced per year; however, in studied conducted in captivity, twins were observed. Night monkeys reach puberty at a relatively young age, between 7– 11 months and most species attain full sexual maturity by the age of 2 years of age. A. azare represents an exception reaching sexual maturity by the age of 4.
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