The reindeer is the only mammal that can see UV light.
17
Dolphins have names for one another.
18
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Cats recognise the voice of their owner, but never evolved to care.
22
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156