The colossal squid has the largest eyes in the world.
4
Cows can sleep standing up, but they can only dream lying down.
745
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Cats and dogs can hear ultrasound.
350
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