There are more insects in one square mile of rural land than there are human beings in the world.
55
The male platypus has poisonous spurs on its legs.
58
The oldest pig in the world lived to the age of 68.
65
The lifespan of mammals is about 1 and a half billion heartbeats.
127
Hummingbirds can weigh less than a penny!
12
A puppy is born blind, deaf, and toothless.
16
Dogs sometimes fake being sick to get attention.
26