PhD student Ian Brennan with an Underwoodisaurus gecko. Photo by Stuart Hay.

PhD student Ian Brennan with an Underwoodisaurus gecko. Photo by Stuart Hay.

Mass extinction uncovered

ANU biologists have found the first evidence of mass extinction of Australian animals caused by a dramatic drop in global temperatures 35 million years ago.

This period of intense and rapid climate change occurred at the same time when Australia separated from Antarctica.