Scientists have found that the sounds that hippos make have different meanings. This is reported by the Air Force.
Researchers studying hippos in one of the nature reserves in Africa have come to the conclusion that hippos are able to distinguish friends from enemies and recognize certain individuals and other animals by the sounds they make.
French professor Nicolas Mathevon explained that hippos have unique voices and can recognize each other by them. According to him, these wild animals have a very wide vocal spectrum, they can make a variety of sounds – from grunting to growling.
hippos to avoid conflicts with them.