Researchers found female gorillas avoid males they grew up with when moving and look for females they already know ...

Female gorillas do not change groups randomly. They avoid the males they grew up with, thus preventing inbreeding, according to a study by the University of Zurich.

A famous gorilla named Koko is thought to have learned over 1,000 signs and understood more than 2,000 English words. Koko lived in San Fransico Zoo. Whilst it is impressive that a gorilla can learn ...