The head of a jellyfish is called the "Bell."
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17