Humans have altered the Earth so much that migratory animals are facing extinction - CNN
- Humans have altered the Earth so much that migratory animals are facing extinction CNN
- One in five of world's migratory species at risk of extinction - UN report Reuters.com
- 1 in 5 Migratory Animal Species Faces Extinction, UN Says Bloomberg
- From turtles to fruit bats, migratory species increasingly under threat, says UN The Guardian
- Migratory species at risk worldwide, with a-fifth in danger of extinction, landmark U.N. report says CBS News