Ancient hominid had an unusual diet

Grass and sedge eating goes back at least 3 million years

A mysterious, 3-million-year-old member of the human evolutionary family had a maverick taste for grasses and flowering plants called sedges, a chemical analysis of the creature’s teeth suggests.

GRASS JAW Chemical analysis of a tooth from this fossil jaw and of two other teeth indicates that a hominid species based in Central Africa more than 3 million years ago ate a lot of grasses and sedges.