Eastern Rosellas are not endangered. They are listed as "secure", both Federally and in the state of New South Wales, where their distribution is most widespread.
Eastern rosellas, and all other types of rosellas, need water for hydration which is a vital requirement for all organisms. Without hydration they become weak, molt, and become very ill.
Rosellas' habitat mostly is a rainforest
The Eastern grey kangaroo is not endangered; nor is it at any risk of being endangered. The 2011 figures for the population of Eastern greys in Australia are an estimated 16 million.
Eastern cougars are no longer an endangered species as they were declared extinct in 2011.
Birds. Rosellas are exclusive to Australia.
Western Suburbs Rosellas was created in 1910.
Crimson rosellas are unique to Australia, but quite plentiful within the southeastern states of New South Wales and Victoria, and eastern South Australia. They are also seen in patches in southern Queensland among the border ranges, and even in the tropical north.
A lack of habitat caused by human encroachment.
No, it is no longer endangered, it was declared extinct in 2011.
The eastern screech owl is endangered I think. I will find out for sure.
The eastern diamondback is endangered in some states, like North Carolina and Louisiana, but fairly common in others.
No, the eastern goldfinch is a very common species.