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
Cows can sleep standing up, but they can only dream lying down.
745
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
Dogs sometimes fake being sick to get attention.
26
The largest earthworm on record was found in South Africa and measured 22 feet.
151