After reaching maturity, the female apes will return to a beige coat, like Tallulah's, while the males keep their black coats ...

They're gorgeous apes, and one of Tanganyika's most well-known animals. The staff at Tanganyika say that the Gibbons sound an "alarm" every morning to wake everybody up: it's a distinctive ...

There's a lot of monkeying around at the Philadelphia Zoo these days now that the newest white-handed gibbon is growing up.

After reaching maturity, the female apes will return to a beige coat, like Tallulah's, while the males keep their black coats, like Ringo. White-cheeked gibbons are "critically endangered ...