Parrot parents "name" their children with a signature call.
112
Denmark has twice as many pigs as there are people.
66
Squirrels forget where they hide about half of their nuts.
698
Jellyfish as a species are actually older than dinosaurs and sharks.
383
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
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Penguins have a gland above their eye that turns saltwater into freshwater.
12
