Denmark has twice as many pigs as there are people.
66
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
The octopus does not have a blind spot.
273
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
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12