Simple calculations suggest koalas should have high-pitched voices. That's because the pitch generated by an object is linked to its size, and usually animals' vocal chords tend to be large or small ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Simple calculations suggest koalas should have high-pitched voices. That's because the pitch generated by an object is linked to its size, and usually animals' vocal cords tend to be large or small ...

Dec. 2 (UPI) -- The low-pitched mating call of male koalas has been linked to the presence of an additional sound-producing organ, seen for the first time in land mammals. The pitch of a male koala is ...

Koalas look cute and cuddly, but they sound terrifying. In this YouTube video, a young koala is booted out of its tree by an older male. While the youngster screams and throws a tantrum, the older ...

An interview about koala communication, vocalization, and social structure with Dr. Bill Ellis, who serves as head of The University of Queensland’s Koala Ecology Group. The vocalizations we observe ...

If you heard a male koala bellow but did not see him, you might assume that some large, deadly creature was lurking behind the eucalyptus leaves. Half grunt, half chuckle, the koala's mating call, ...

Scientists have figured out how koalas are able to produce a mating call that is so low-pitched it ought to come from a creature the size of an elephant. The vocalizations are made with a previously ...