An estuarine crocodile, also known as a "saltie".

Many of the world’s 27 species of crocodylians will soon be either totally or locally extinct due to human population expansion and intensive land-use, according to a University of Queensland researcher.

8 September 2015
Professor Craig Franklin measuring pH in a tributary of the Wenlock River, on the Steve Irwin Wildlife Reserve in northern Queensland.

Scientists have been startled to discover unique ecosystems of fauna and flora thriving around highly acidic springs in far north Queensland.

21 December 2010