Strange Giraffoid Fossil Solves Giraffe Evolutionary Mystery
Intermale-competitions of giraffoid, foreground: Discokeryx xiezhi, background: Giraffa camelopardalis. Credit: WANG Yu and GUO XiaocongGiraffes are quite distinctive due to their extremely long necks. In fact, their necks can be as long as 7.9 feet (2.4 m). Even though there have been various hypotheses as to the evolutionary origin of these longs necks, they haven’t had sufficient proof, leaving it an unsolved mystery.Charles Darwin suggested the “competing browsers hypothesis,” which basically says that the elongated…