Thanks to that boring lecture on Charles Darwin in high school, most of us assume that giraffes’ long necks are to help them reach food in the tops of trees. Well, to be fair, this is indeed the most preferred hypotheses by scientists all around.
But a few scientists think the necks have more to do with something more basic – SEX.
Today’s Needull is an interesting 1996 research paper from The American Naturalist journal that I came across inadvertently.
Around 15 million years ago, antelope-like animals were roaming the dry grasslands of Africa. There was nothing very special about them, but some of their necks were a bit long. Within a mere 6 million years, they had evolved into animals that looked like modern giraffes, though the modern species only turned up around 1 million years ago. The tallest living land animal, a giraffe stands between 4.5 and 5 metres tall – and almost…
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