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Re: Gargantuavis neck vertebra

2012/6/14 David Marjanovic <david.marjanovic@gmx.at>:

> To be fair, though, they were clearly separate ecologically, with the
> mastodon being a specialized browser and the mammoth a grazer or at most a
> mixed feeder.

Is there a recent refutation of the hypothesis that the mastodon
included a considerable amount of grass in their diet, as suggested
Gobetz & Bozarth (2001)?

Gobetz, K. E. & S. R. Bozarth. 2001. Implications for Late Pleistocene
mastodon diet from opal phytoliths in tooth calculus. Quaternary
Research, 55: 115-122.