Add Yahoo as a preferred source to see more of our stories on Google. Male Koalas have an extra set of vocal cords that helps them produce 'bellowing' sound as mating call.Source: Los Angeles Zoo Joe ...

Big voice Koalas use vocal folds located outside the larynx to make mating calls that are more suited to an animal the size of an elephant, new research has found. The loud snorting sounds are ...

Koalas might appear to be all cuddly and sleepy, but these star Australian marsupials are full of interesting surprises. Slightly resembling teddy bears, these marsupials are tree-climbing mammals ...