Write a note on unique wildlife of Australia?
Answers
it is the only continent to still have all three of the major groups of mammals: monotremes (egg-layers), marsupials and placentals
half its mammal species are marsupials
its large grazing animals are all marsupials or birds, mostly moving on two legs (kangaroos, emus)
it is the only country in the world to have kangaroos (although it shares wallabies with New Guinea), koalas, wombats numbats, platypus, lyrebirds and many other strange and fascinating creatures
most of the world's cockatoos are native to Australia, and it has more parrots than any continent other than South America
Glow worms (larvae of a tiny gnat, living in caves and overhanging rocks - not the same as the 'glow worm' of the northern hemisphere, which is the larva of the firefly) live only in Australia and New Zealand.
enuscockatooit is the only continent other than Antarctica to NOT have native hoofed animals, or native terrestrial Carnivora (dogs, bears, cats, weasels etc., but we do have seals and sea lions) - the dingo appears to have arrived from South-east Asia only about 4,000 years ago, probably with Indonesian traders
it is probably the birthplace of the world's songbirds, and shares with New Zealand some songbirds with primitive characteristics
lyrebirds, arguably the world's best mimics, occur only here
some of our frogs have bizarre breeding habits - e.g. the gastric brooding frog (now apparently extinct) and the hip pocket frog
we have most of the world's ten most venomous snakes (in terms of toxins applied to mice) but not necessarily the most dangerous (which is a function also of behaviour and habitats of snakes)
Our unique animals are one of the many reasons people visit our country. Australia has more than 378 mammal species, 828 bird species, 4000 fish species, 300 species of lizards, 140 snake species, two crocodile species and around 50 types of marine mammal.
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