Animals facts

1. Americans spend around $3 billion for cat and dog food a year. 

2. Pigs can cover a mile in 7.5 minutes when running at top speed. 

3. The shell constitutes 12 percent of an egg's weight. 

4. A squid has 10 tentacles.

5. A snail's reproductive organs are in its head.

6. When a horned toad is angry, it squirts blood from its eyes.

7. The typical hen lays 19 dozen eggs a year.

8. The ostrich has a 46-foot long small intestine.

9. A scallop has 35 blue eyes.

10. A swan is the only bird with a penis

11. The left leg of a chicken in more tender than the right one.

12. The only dog that doesn't have a pink tongue is the chow.

13. The giraffe has the highest blood pressure of any animal.

14. Zebras can't see the color orange.

15. There are more insects in ten square feet of a rain forest than there are people in Manhattan.

16. The smartest dogs are the Jack Russell Terrier and Scottish Border collie. Dumbest: Afgan hound.

17. A rat can go without water longer than a camel can.

18. The fat molecules in goat milk are 5 times smaller than those found in cow milk. It takes 20 minutes for the stomach to breakdown as opposed to the hour that it takes to break down cow milk.