Giraffe Evolution
Although the origin of giraffes has a common ancestor with the okapis, the evolutionary reasons of their long neck remain a question for which several theories have emerged.
Giraffe Communication
Giraffes do not emit a distinctive sound but produce a variety of vocalizations according to the conditions. However, many of its sounds are of low frequency inaudible to the human being.
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Giraffe Anatomy
The anatomy of a giraffe has astonishing dimensions including almost 20 feet height, a long neck and up to over 3,000 pounds in weight. Its skin adapted to camouflage with the vegetation.