A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17