Cats and dogs can hear ultrasound.
350
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The colossal squid has the largest eyes in the world.
4
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
A dairy cow can produce more milk when listening to music.
446
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