Interesting Animal Facts    [02-08-2008] There are many interesting animals living on Earth. And there are so many fun facts about them. This week, let's learn some fun facts about various animals in the world! - A crocodile can’t stick its tongue out. - Mosquitoes have 47 teeth. - It is physically impossible for pigs to look up into the sky. - Pigs can cover 1.6 kilometers in 7.5 minutes when running at top speed. - A shrimp’s heart is in its head. - Rats multiply so quickly that two rats can have over a million offsprings in 18 months. - The Poison Arrow Frog has enough poison to kill 2,200 people. - There are 50 million monkeys in India. - A goldfish has a memory span of 3 seconds. - Dolphins sleep with one eye open. - On average, a hen lays 19 dozen eggs a year. - The left leg of a chicken is more tender than the right one. - The giraffe has the highest blood pressure of any animal. - Zebras can’t see the color orange. - A rat can go without water longer than a camel can. - Bulls are color blind. - In a fight between a polar bear and a lion, the polar bear would win. - Polar bears can eat as many as 86 penguins in a single sitting. - An elephant can be pregnant for up to 2 years. - A pregnant goldfish is called a twit. - Horses can’t vomit.     출처: 어린이 영자신문 키즈타임즈 (www.kidstimes.net)