Lions, Tigers, and Bears—Oh My!
The giant panda, orangutan, Sumatran Elephant, and the Sunda Tiger all have something in common: they’ve joined a growing list of animals on the brink of extinction. A newly published study in the Proceedings of the National Academy of Sciences lists 515 animal species with fewer than a thousand individuals remaining. There are 3 billion fewer birds in the skies in North American than in 1970,…