The lifespan of mammals is about 1 and a half billion heartbeats.
127
All clams start out as males; some decide to become females at some point in their lives.
50
The octopus' testicles are located in its head.
82
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A chameleon's tongue is twice the length of its body.
29
Cats recognise the voice of their owner, but never evolved to care.
22
The Wild Turkey is the only bird with a beard.
80
A cat can jump FIVE TIMES as high as it is tall!
371