Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Cats and dogs can hear ultrasound.
350
A 42-foot sperm whale has about 7 tons of oil in it.
209
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
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
The largest earthworm on record was found in South Africa and measured 22 feet.
151