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Known as “necking” the giraffes use their long and powerful necks to attack, delivering hard blows with each hit. As you watch the video, you can hear the loud whacks coming from the neck ...
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] [63] [36] Adult male reticulated giraffe feeding high on an acacia, in Kenya. The giraffe's neck vertebrae have ball and socket joints.
Moreover, the giraffe's kudu, impala, and steenbok competitors do not feed above 2 meters and prefer feeding at shoulder level as well, rather than at the maximum height they could reach. [14] An alternative explanation for the origin of long necks in giraffe is sexual selection. Male giraffe often neck with other males to exhibit dominance. [15]
The giraffe's neck is elongated by heterochrony, extension of the time for the embryonic development of these bones. [ 4 ] By convention, the cervical vertebrae are numbered, with the first one (C1) closest to the skull and higher numbered vertebrae (C2–C7) proceeding away from the skull and down the spine.
A Penn State researcher has been trying to get to the bottom of the age-old question of why giraffes have long necks. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please ...
The okapi's neck is long compared to most ruminants, but not nearly so long as the giraffe's. Male giraffes are the tallest of all mammals: their horns reach 5.5 m (18 ft) above the ground and their shoulder 3.3 m (11 ft), whereas the okapi has a shoulder height of 1.7 m (5 ft 7 in). [9]
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Size of M. patachonica compared to a human Skeletal reconstruction of M. patachonica. Macrauchenia had a bodyform superficially like a camel, [23] with a long neck composed of camel or giraffe-like elongated cervical vertebrae. In most of the cervical vertebrae, the canal for the artery passes through the neural arch. [24]