Adults typically have a heavy build and range in colour from golden tan to grey to black, with irregular darker mottling. Juveniles are brightly patterned with dark spots/bands on the body and tail; these tend to fade with age. Belly is cream-coloured.
The Estuarine Crocodile slams their jaw shut the strongest out of any animal in the world at around 3,700 pounds per square inch!
Found in northern coastal areas and estuaries, from Broome in northwestern Western Australia to the Gladstone area in southeastern Queensland. They also occur on a number of islands off the Northern Territory and Queensland coastline.
Water birds, sea turtles and mammals up to the size of water buffalo. They are also known to be cannibalistic.
Once the mound is constructed the female digs an egg chamber and lays up to 71 hard-shelled eggs (average of around 50).
The mother guards the nest, even preventing it from drying out if necessary by splashing it with water. The eggs take 90 days to develop. Interestingly the sex of the young Australian saltwater crocodiles is determined by the incubation temperature.
Below 30 degrees celsius the hatchlings will be female, and above 32 degrees celcious they will be male.