Add Yahoo as a preferred source to see more of our stories on Google. Some behaviors are instinctive and others have to be learned. This is as true for people as it is for the other members of the ...

Some behaviors are instinctive and others have to be learned. This is as true for people as it is for the other members of the animal kingdom. Perhaps you, like me, may have thought until this moment ...

Add Yahoo as a preferred source to see more of our stories on Google. A veterinarian in green scrubs uses an ultrasound probe on the chest of a large, seated gorilla in a medical setting.© A-Z Animals ...

A young gorilla mimics chest beating in front of an older family member, creating a playful zoo moment.