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Giraffe at a water-hole in Namibia
What benefit is such a neck?

For centuries experts have argued over how the giraffe got its long neck.

Some said it helped the giraffe feed on leaves other animals cannot, while some suggested it evolved as a consequence of giraffes evolving long legs.

But evidence for such ideas remains flimsy. Now one of the more recent hypotheses has also bitten the dust.

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