“In a 2006 study, an Asian elephant named Happy at the Bronx Zoo recognized herself in a mirror. That puts elephants in a small club of animals that pass the mirror self-recognition test.”

Reference: Plotnik et al., PNAS (2006)

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.

Thai researchers have succeeded in generating electricity from natural gas made from elephant dung.

In psychologist Stanley Coren's 1994 book "The Intelligence of Dogs," the Poodle ranked as the second-smartest breed, behind only the Border Collie.