king colobus monkeys and crab-eating macaques. They found that the nasal aperture in male proboscis monkeys is 29 per cent larger than in their female counterparts. For the other three species the ...

The youngest and newest resident is a white, fuzzy colobus monkey. Born to mom Violet, 11, and dad Sefu, 17, the baby monkey was born on March 30. "Mom and baby are doing well — he's staying ...