About 40 different breeds of domestic cats are recognized internationally, ranging in size from about five pounds to about 20 pounds. Black leopards, commonly called black panthers, can be born into the same litter as yellow and white common leopards. A full-grown male leopard can grow to be nearly five feet long and about 200 pounds in weight. The llama is used in the Andes as a pack animal, but will not allow itself to be loaded with a heavy pack unless it is part of a group. Ostriches are the largest and strongest of all living birds.
Ostriches have only two toes on each foot.
Though not as large as the egg you see in The Greatest Show On Earth, actual ostrich eggs weigh about three pounds each. Newborn zebras are up and walking within an hour of birth. B.C. The zebu is a very hardy animal, and is resistant to heat and many diseases.