“Legend says Saint Patrick drove the snakes out of Ireland, but scientists say snakes never got there after the last Ice Age because the island was cut off by the sea.”

Reference: National Geographic

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.

The anaconda, one of the world's largest snakes, gives birth to its young instead of laying eggs.

Saint Patrick was kidnapped by pirates at about age 16 and enslaved in Ireland as a shepherd for about six years.