Dolphins have names for one another.
18
Denmark has twice as many pigs as there are people.
66
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Early American humans hunted car-size armadillos and used their shells for houses.
12