When cats are happy, they may squeeze their eyes shut.
10
A dairy cow can produce more milk when listening to music.
446
Whales and dolphins can't taste anything other than salt.
11
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
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
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7