S. Feldman:

> I recently heard an interview about some parrots that live in southeastern
> Peru and are notable for dining on dirt. Many people chew clay.

Including many of the Andean peoples, who reportedly dip some food
items in
clay water. They say it prevents gut parasites. Who knows?

Maybe they got the idea from the parrots, or vice versa.

Cheers,
Kirt