The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Basenji dog is the only dog that is not able to bark.
4
Moths are unable to fly during an earthquake.
328
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34