One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A dairy cow can produce more milk when listening to music.
446
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
The oldest recorded elephant lived for 82 years.
213
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2