Veterinary medicine

India and Southeast Asia are home to the endangered Asian elephant, which is rapidly declining in numbers due to poaching and habitat destruction.

Every year the world's oceans lose roughly 100 million sharks due to human hunting. The big problem? Scientists don't know how to manage the population back. 

Vietnam’s wild elephant population has dropped from over 2,000 animals to less than 100 in 20 years, making the country’s 60 or so captive elephants vital to preserving the genetic lines of this critically endangered species.

When you think of manatee migration, you don’t normally picture aircraft.

But that is how Washburn the pregnant manatee was transported from Massachusetts, where she was rescued (just off the coast) to Sea World in Orlando, Florida, where she spent 2 weeks recuperating.

Veterinary patients can be such pigs.  At the Pittsburgh Zoo, they are occasionally lethargic, critically endangered warty pigs.