Giraffe up to , and can sustain for several kilometres. A giraffe rests by lying with its body on top of its folded legs. To lie down, the animal kneels on its front legs and then lowers the rest of its body. To get back up, it first gets on its knees and spreads its hind legs to raise its hindquarters. It then straightens its front legs. With each step, the animal swings its head. In captivity, the giraffe sleeps intermittently around 4.6 hours per day, mostly at night. It usually sleeps lying down, however, standing sleeps have been recorded, particularly
Masai giraffe of Herr von Tippelskirch who was a member of a German scientific expedition in German East Africa to what is now northern Tanzania in 1896. Tippelskirch brought back the skin of a female Masai giraffe from near Lake Eyasi which was later on identified as "Giraffa tippelskirchi". The Masai giraffe is distinguished by jagged spots on its body, geographic range including southern Kenya, all of Tanzania, and the Luangwa Valley in Zambia, and genetic evidence. It is the largest-bodied giraffe species, making it the tallest land animal on earth. All giraffes are considered vulnerable to extinction by the IUCN, and