Hippos talk to each other by opening there mouth and like screaming out like a little voice. The males talk louder then the females because the females have soft voices.
they talk through their horns except some white rhinos talk through their gummy nom noms
Because they are hippos!
Yes, if you mean the relationship between a mother and its child. Male hippos will fight over territory which can injure/kill others.
Of course, mice can talk to each other.
other hippos
If you live in a fantasy world then yes.
well the male hippos enimes are humans and other hippos what he said ^
Because the people that talk about other people like them
white sided dolphines talk to each other by clicking
yes bacteria can talk to each other
yes they do, in a group of 20-30 with one male
They talk in some way but to each other not to us.
they basicaly squawk or talk by their movements