Only 3% of bird species have penises.
0
Lurch, a Watusi bull, had the largest horns in the world.
32
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20