Why Are There No Big Animals In Australia
Sea levels were much lower than today.
Why are there no big animals in australia. A grand total of 21 out of the worlds 25 most venomous snakes inhabit Australia. It is a secluded landmass with no immigration of animals from other parts of the world. Even though Australia is home to nearly 150 volcanoes none of them has erupted for about 4000 to 5000 years.
Museum staff rated animals out of 10 based on the. A dingo looks similar to a domestic dog but has a longer muzzle larger pointed ears and sharper teeth. They can be found all over Australia except for Tasmania although they mainly live in the countrys outback.
The lack of volcanic activity is due to the islands location in relation to a tectonic plate the two layers of the Earths crust or lithosphere. The earliest cat fossils date back only 10 - 15 million years so. This is because what became Australia split off and became isolated from the rest of the world about 55 million years ago.
Learning about Australias extinct fauna helps us to create links through time that relate the animals of the past with those of today and to develop conservation strategies. Australia possesses a unique assemblage. However on the most fundamental level such incredible growth is impossible because there are no large animals exhibiting these ancient avian traits.
There are not more dangerous animals in Australia then elsewhere. Even though most modern zoos make efforts to offer animals a more natural environment most captive animals in zoos are unable to live in a way that they would naturally and some may even be on medication to alter their behaviour. A zoo can teach you a lot about how animals behave in captivity but will teach you very little about the behaviour of animals in the wild.
Our investigations within Australia and abroad have uncovered cruelty and forced needed change within once hidden industries including the live export trade factory farms and the greyhound racing and export industry. Cats dogs bears raccoons etc - the dingo now known as Australias wild dog was introduced about 3000 years ago NO native hoofed animals deer goats etc NO primates monkeys and apes and. There are some 250 species of native mammals 550 species of land and aquatic.