1.  If you cut off a snail's eye, it will grow a new one.
2. The ostrich has two toes on each foot which gives it greater speed.
3.  Starfish have no heart, brain, or eyes!
4.  'Jaws' is the most common name for a goldfish.
5.  The most dogs ever owned by one person were 5,000 Mastiffs owned by Kubla Khan.
6.  On average, cows poop 16 times per day!
7.  The phrase “raining cats and dogs” originated in seventeenth-century England. During heavy rainstorms, many homeless animals would drown and float down the streets, giving the appearance that it had actually rained cats and dogs.
8.  The most poisonous fish in the world is the Stone fish.
9.  Killer Whales are not whales at all, rather a species of dolphin.
10.  Goats were the first animals domesticated by man in 10,000 B.C.
11.  Dogs have sweat glands in between their paws.
12. The fear of animals is called zoophobia.
13.  We share 70% of our DNA with a slug.
14.  We share 98.4% of our DNA with a chimp.
15. ) Fireflies do not bite or have pincers. Fireflies are harmless, they don't even carry diseases.
16.  Chocolate, macadamia nuts, cooked onions, or anything with caffeine is harmful to dogs.
17.  No two tigers ever have the same stripes, and this is how individual tigers can be identified.
18.  The American Kennel Club, the most influential dog club in the United States, was founded in 1884.
19.  The longest recorded life span of a slug was 1 year, 6 months.
20. A whale's heart beats only nine times a minute.
21. Elephants are covered with hair.
22.  A python can swallow a rabbit whole and may eat as many as 150 mice in a six-month period.

These facts were found using the link below.

http://www.factsaboutanimals.net/