Penguins primarily communicate vocally, but they also communicate through body language and posturing. Penguins all look virtually identical, which makes individual recognition very difficult. To overcome this, penguins have evolved different sounding voices and the ability to recognize the individual voices of their mates or chicks. read more
Probably penguin vocalizations are not as popular as cow mooing, dog barking or cat meowing. However, as social birds, penguins need to communicate in some way, and they do it through sounds and body expressions. read more
There are three main kinds of penguin calls. The contact call assists in recognition of colony members. The contact call of emperor and king penguins can be heard one kilometer (0.6 mi.) away. The display call is the most complex of all the calls and is used between partners in a colony. read more