Human is Herbivore

4 Million Years Ago, Our Ancestors Were Herbivores

The diet of Australopithecus anamensis, a hominid that lived in the east of the African continent more than 4 million years ago, was very specialized and, according to a new study, it included foods typical of open environments (seeds, sedges, grasses, etc.), as well as fruits and tubers.  Source

Hominid 4 Million Years Ago Hominid Vs. Chimp
Hominid 4 Million Years Ago Chimp
Brain Size:  Herbivore Gorilla Vs. Omnivore? Chimp