“Giant pandas have a "pseudo-thumb," an enlarged wrist bone that works like an extra thumb to help them grip bamboo stalks.”

Reference: Smithsonian's National Zoo

More animal facts

The harmless whale shark holds the title of largest fish, with the record being a 59 footer captured in Thailand in 1919.

About 99% of a giant panda's diet is bamboo, and a panda may spend 10 to 16 hours a day eating it to get enough energy.

The Labrador Retriever has a thick, rounded, tapering "otter tail" that works like a rudder, helping the dog steer while it swims.