10 of the Most Endangered Animals

The extinction of at least 500 species of animals has been caused by man, most of them in this century. Today there are about 5,000 endangered animals and at least one species dies out every year. The number is rapidly growing, some species becoming endangered without most of us even knowing it. Their value is of utter importance, since they are responsible for a variety of useful medications. The first step towards saving animals is to learn as much as possible about them. So here is a look at some of the most endangered species of animals around the world:

» 10 of the Most Endangered Animals - Green Expander