People love to see animal pictures, animal wallpapers in best quality. Also people love to set animal pictures and animal wallpapers as their background or desktop image. In animal there are different categories like lion which is carnivore and a wild animal also like tiger which is fastest animal on earth. Also some people love to birds and place them in their home as pet. The word animal has come from the latin word animalis which means breath. Animals can be good friend like cat and dogs can be your good friend you can put them in your house and teach them different lessons. Also different birds like parrots can learn different things. Besides that animals have been divided into two main groups, invertebrates and the vertebrates. Invertebrates are the animals that do not have backbone and vertebrates are animals that have backbone. Vertebrates include fish, reptiles, birds, amphibians, mammals. And invertebrates include insects spiders, worms etc.