• A rat can survive longer than a camel without water.
• Sharks are very healthy, as they are immune to all known diseases.
• There are 701 types of pure breed dogs in the world.
• The spine-tailed swift is the fastest bird, flying at the speed of 170 km/h.
• Squirrels accidentally plant millions of trees, as they bury their nuts and forget where they are.
• Insects and fish have no eyelids. Hardened lens protect their eyes.