Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sharks have been on the planet longer than trees.
14
A lion in the wild usually makes no more than twenty kills a year.
186
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Tigers can see 6 times better at night than humans.
305
Nicole Kidman is scared of butterflies.
65