This small Australian frog has been added to the endangered species list because of its population decline in the past years.

It is one of the few Australian frogs to display aposematism.

The green and golden bell frog is therefore one of the largest Australian frogs.

This species is the only known Australian frog to go through an apparent period of absence, only to later reappear.

The earliest Australian frog fossil was found there.

It is unique among the Australian frogs, for its vocal sac is not under the jaw, but on either side of the head.

The green tree frog is larger than most Australian frogs, reaching 10 cm (4 in) in length.

Declines and disappearances of Australian frogs.

Geocrinia Victorian, an eastern Australian smooth frog, has a long aggressive note to ward off competitors and shorter notes to attract females.

Their large protruding eyes and short, blunt snout along with complete webbing and slimy bodies differentiated them from all other Australian frogs.