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
A group of unicorns is called a blessing.
304
Dolphins have names for one another.
18
Jellyfish as a species are actually older than dinosaurs and sharks.
383
There's a rare breed of pig that looks like a sheep.
14
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10