15 little-known facts about giraffes Part II 10. In contrast to man giraffes are able to have rest in a stand position. The session sleep is last no longer than 5 minutes generally. But when giraffe is needed to have a deeply sleeping, it lies on the ground, bends its front legs, bends his head back and puts it on the rump. Herewith the common duration of sleeping is very seldom longer than 60 minutes per 24 hours. 11. Giraffes dedicate from 6 to 20 hours every day to such exciting venture as eating. So they swallow a plenty of food, though it is quit enough 6 kilograms of food for the adult individual giraffe per day. 12. Just in one hour after the births cub begins to walk. 13. The age of giraffes could be determined by the color of spots on the skin – the darker the spots the elder the giraffe. The ornament on the giraffe’s skin is unique like peoples fingerprints. 14. Despite the enormous length the giraffes neck is actually too short for the reaching the ground. Therefore to pick something up off the floor, they have to stay on knees and widely set front legs. So if you scare the giraffe, it is not physically able to behave like an ostrich. 15. The only one animal which is dared to hunt giraffes are lion. Though, giraffes have an excellent weapon which they use for saving their progeny - hooves.