Whales and dolphins can't taste anything other than salt.
11
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Female kangaroos have three vaginas.
2