- A shark is the only fish that can blink with both eyes.
- There are more chickens than people in the world.
- An ostrich's eye is bigger than its brain.
- Tigers have striped skin, not just striped fur.
- A goldfish has a memory span of three seconds.
- The original name for the butterfly was 'flutterby'!
- No two zebras have stripes that are exactly alike.
- A chimpanzee can learn to recognize itself in a mirror, but monkeys can't.
- A rat can last longer without water than a camel can.
- A typical bed usually houses over 6 billion dust mites.
- The hippopotamus gives birth under water and nurses its young in the river as well, though the young hippos do come up periodically for air.
- A cow gives nearly 200,000 glasses of milk in her lifetime.
- A cat sees about six times better than a human at night because of the tapetum lucidum , a layer of extra reflecting cells which absorb light.
- A cat uses whiskers to determine if a space is too small to squeeze through. The whiskers act as antennae, helping the animal to judge the precise width of any passage.
- The female lion does more than 90% of the hunting while the male simply prefers to rest. !!
- A jellyfish is 95 percent water!
- A crocodile cannot stick its tongue out.
- A cat's jaws cannot move sideways.
- All polar bears are left handed.
- Ants don't sleep.
- A cow's only sweat glands are in its nose.
- Mosquitoes have 47 teeth.
- An elephant can be pregnant for up to 2 years.
- Chickens can't swallow while they are upside down.
- The average garden-variety caterpillar has 248 muscles in its head.
- India has 50 million monkeys.
- The typical hen lays 19 dozen eggs a year.
- The ostrich has a 46-foot long small intestine.
- The left leg of a chicken in more tender than the right one.
- A bat is the only mammal that flies.
- A beaver's teeth never stop growing.
- A blue whales heart only beats nine times per minute.
- A cat has 32 muscles in each ear.
- A hippopotamus can run faster than a man can.
- A horse can sleep standing up.
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