There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
A puppy is born blind, deaf, and toothless.
16
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The seahorse is the only fish to have a neck.
12
Cats and dogs can hear ultrasound.
350