Footage of a week-old northern white cheeked gibbon at Twycross zoo in Atherstone, UK on April 26.

"An interesting fact is that all babies are born with a cream colour, and will change to black after about one to two years," the filmer wrote online.

"When they reach sexual maturity, males remain black and females change back to their cream colour!"

Another Newborn baby for the Twycross Zoo in Atherstone, England. A cute critically endangered northern white cheeked gibbon. The infant is just a week old!
Females are a cream colour, and males are black.
An interesting fact is that all babies are born with a cream colour, and will change to black after about one to two years! When they reach sexual maturity, males remain black and females change back to their cream colour!