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Re: Ceratonykus braincase described
On Fri, Apr 29th, 2011 at 2:41 PM, Tim Williams <email@example.com> wrote:
> Aside from the low-energy yield of ants and termites, the other
> problem in having a myrmecophagous diet is the amount of non-animal
> material ingested along with the insects themselves. As the
> myrmecophage hoovers up the ants or termites, a great deal of debri
> (bark, dirt, stones, etc) is taken in too. In one case, the stomach
> of an aardvark contained 47% (by weight) of inorganic material.
It's been suggested that grit and small stones may even be deliberately
ingested by giant
anteaters, to function as gastroliths to aid digestion.
Spatial Data Analyst Australian Dinosaurs
Melbourne, Australia http://home.alphalink.com.au/~dannj