(ABC News: Aaron Kelly) Charles is just one of the big male "salties" from Koorana Crocodile Farm taking part in a groundbreaking trial with scientists from the University of Queensland.

But John Lever, crocodile expert and owner of Koorana Crocodile Farm near Rockhampton, told Yahoo News the attack on the dog didn't mean the risk to humans was heightened. "Crocs are opportunistic ...

Footage captured by Minco de Bruin Renowned croc expert Koorana Crocodile Farm owner John Lever said the crocodile appeared to be more than 4m-long. “The thing that I think should be focused on ...