Overview: Endangered Species
Endangered Species Overview
An endangered species is at risk of becoming extinct because it is few in number, or it is threatened by changing environmental factors or by predators. Endangered species can be mammals, fish, invertebrates, insects, birds, reptiles, plants or fungi.
- Australia is home to between 600,000 and 700,000 species
- About 84% of plants, 83% of mammals, and 45% of birds are only found in Australia .
The Australian Bureau of Statistics estimates the numbers of endangered species in Australia as follows: 
- 45 species are critically endangered
- 599 species are endangered
- 843 species are vulnerable
- 116 species are extinct