5 facts.
- An endangered species is one whose numbers are so small that it is at risk of extinction.
- A species is defined as endangered or threatened when it is suffers from damage to its habitat, disease or predation of the species; and hazards to the continued life of the species.
- A species is declared extinct after many years of not being spotted. Because it takes so long to define an entire species as extinct.
- As many as 30 to 50 percent of all species are possibly heading toward extinction by mid-century.
- 99% of currently threatened species are at risk from human activities