They are very common in the Kimberley. Freshwater crocodiles are often seen basking in reasonable numbers around the perimeter of gorges and rivers, creating an interesting wildlife spectacle for visitors. There are some 21 species of crocodiles and their relatives. These primitive reptiles have an ancient lineage and are remnants from the time of the dinosaurs.
Freshwater crocodiles are grey or greenish-brown above, with heavily mottled flanks.
In contrast to the saltwater variety, this species has quite long, smooth and slender snouts. However, they are often difficult to distinguish when partially submerged. They may reach up to three metres long. Freshwater crocodiles are widespread across the northern Australia, including the Kimberley, Northern Territory and Queensland. They live largely in freshwater rivers, gorges and billabongs.