The mystery of the disappearing elephant tusk

Mongabay
By Tiffany RoufsOct 30, 2013, 11:40 am99 pts
Give it a few thousand years, and tusks could completely disappear from the Asian elephant (Elephas maximus). The beautifully smooth, elongated ivory incisors neatly bordering a long trunk are iconic in the public mind. The reigning hypothesis is that tusks evolved to help male elephants fight one another, as…

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