Sharks and rays also share the same kind of skin: instead of scales, they have small tooth-like spikes called dentils. The spikes are so sharp that shark skin has long been used as sandpaper.

A giraffe can clean its ears with its 50cm (20 in) tongue.

A snail has two pairs of tentacles on its head. One pair is longer than the other and houses the eyes. The shorter pair is used for smelling and feeling its way around.

A group of geese on the ground is a gaggle – a group of geese in the air is a skein.

The sailfish is the fastest swimmer, reaching 109 km/h (68 mph).

Related posts:

1. Random Animal Facts, Camel Facts, Squid Facts, Fish Facts, Cat Facts, Mammal Facts
2. Random Animal Facts, Pea Crab Facts, Dinosaur Facts, Shark Facts, Cattle Facts
3. Random Animal Facts, Random Sheep Facts, Random Jellyfish Facts, Random Frog Facts, Random Anteater Facts
4. Random Science and Technology Facts, Water Facts, Liquid Air Facts, Hemp Facts, Radio Wave Facts
5. Goldfish Facts, Animal Facts, Beaver Facts, Slug Facts, Camel Facts
6. Random Animal Facts
7. Random Human Body Facts, Random Hair Facts, Random Birth Facts, Random body weight Facts, Random Muscle Facts
8. Assortment of Human Body Facts
9. Random Animal Facts, Ostrich Facts, Whale facts, Elephant facts, Crocodile facts
10. Random Animal Facts, Chihuahua Facts, Sea Horse Facts, Dog Facts, Bird Facts