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The giraffe with the longest, most powerful necks won out on the evolutionary chain. How Do Giraffes Drink Water Through Those Long Necks? Giraffe necks are so long they can’t reach the ground.
Giraffes gain their long necks by a different heterochrony, extending the development of their cervical vertebrae; they retain the usual mammalian number of these vertebrae, seven. [1] This number appears to be constrained by the use of neck somites to form the mammalian diaphragm muscle; the result is that the embryonic neck is divided into ...
A Penn State researcher has been trying to get to the bottom of the age-old question of why giraffes have long necks. Focus on research: Female giraffes drove the evolution of long necks, new ...
12. Why Spider Has a Tiny Waist (4 March 2010) 13. Why Vulture is Bald (5 March 2010) 14. Why Giraffe Has a Long Neck (6 March 2010) 15. Why Porcupine Has Quills (7 March 2010) 16. Why Lizard Hides Under Rocks (10 March 2010) 17. Why Crocodile Has a Bumpy Back (11 March 2010) 18. Why Jackal Howls at the Moon (12 March 2010) 19. Why Hare Hops ...
The okapi and the giraffe are the only living members of the family Giraffidae. The okapi stands about 1.5 m (4 ft 11 in) tall at the shoulder and has a typical body length around 2.5 m (8 ft 2 in). Its weight ranges from 200 to 350 kg (440 to 770 lb). It has a long neck, and large, flexible ears.
They also will 'swat' with their extremely long and strong necks. Male giraffes become aggressive during mating season. If giraffes sense that their babies (calves) are in danger, they will attack ...
The giraffe's head and neck are held up by large muscles and a nuchal ligament, which are anchored by long thoracic vertebrae spines, giving them a hump. [17] [62] [35] Adult male reticulated giraffe feeding high on an acacia, in Kenya. The giraffe's neck vertebrae have ball and socket joints.
A family's close encounter with a giraffe at a Texas drive-thru safari park was captured on camera, showing the animal plucking a toddler out of the bed of their truck and several feet into the air.