When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
A puppy is born blind, deaf, and toothless.
16
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
The reindeer is the only mammal that can see UV light.
17
Domestic pigs average a top speed of about 11 miles per hour.
182
One in three dog owners say they have talked to their pets on the phone.
427
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6