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Based on the list of Australian animals extinct in the Holocene, about 33 mammals (27 from the mainland, including the thylacine), 24 birds (three from the mainland), one reptile, and three frog species or subspecies are strongly believed to have become extinct in Australia during the Holocene epoch.
It is Australia's most endangered freshwater turtle species. The Mary River turtle was the second-most endangered freshwater turtle after the western swamp turtle (Pseudemydura umbrina) of Western Australia. The Mary River turtle was listed amongst the world's top 25 most endangered turtle species by the Turtle Conservation Fund in 2003. [9]
The most species-rich group is Squamata, the snakes and lizards. They are especially diverse in the arid areas of Australia, where other fauna are scarcer. Spinifex grass is a major habitat which allows them to remain in a relatively cool, moist area. Australia has a large array of reptiles which can be dangerous to humans.
Endangered (EN) species are considered to be facing a very high risk of extinction the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 382 endangered reptile species. [1] Of all evaluated reptile species, 7.4% are listed as endangered. The IUCN also lists nine reptile subspecies as endangered.
The current most significant threat to Mitchell's water monitor is the spread of cane toads across the Northern Territory in Australia. [17] Though toads and frogs are a part of their diet, cane toads are poisonous to Mitchell's water monitor and many other water monitor species. [ 17 ]
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
Tympanocryptis pinguicolla, also known as Victorian grassland earless dragon, is a critically endangered species of lizard in the family Agamidae. It is one of a documented species of a relatively small dragon belonging to the genus Tympanocryptis .
The red kangaroo is the largest extant macropod and is one of Australia's heraldic animals, appearing with the emu on the coat of arms of Australia. [1]The fauna of Australia consists of a large variety of animals; some 46% of birds, 69% of mammals, 94% of amphibians, and 93% of reptiles that inhabit the continent are endemic to it.