Fossils demonstrate that head-bashing combat contributed to the development of the long necks of giraffes. The authors of the study propose an alternative theory for the origin of the long necks of modern giraffes: giraffes needed them for head-bashing combat they used in competition for mates. Thi
Fossils demonstrate that head-bashing combat contributed to the development of the long necks of giraffes.
Since Charles Darwin originally proposed the ideas of adaptive evolution and natural selection, the distinctively long neck of the modern giraffe—the tallest land animal and largest ruminant on Earth—has long been seen as a quintessential example of these processes. According to popular belief, food rivalry led to neck elongation, which enabled giraffes to forage for treetop leaves in the African Savannah woodlands much beyond the reach of other ruminant species.
According to the researchers, these peculiar morphological characteristics show an adaption for fierce head-butting behavior. In fact, the authors suggest thatmay have possessed the most optimized head-butting head and neck adaptation yet identified in vertebrate evolution.
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