Some types of African parrots eat clay. The clay acts as an antacid, neutralizing the acid and poison found in some of the foods they eat.
Anthropologists also believe that cave-babies ate dirt, exposing themselves to germs and bacteria in an effort to build up their immune system.
Grayson just does it 'cause it's fun.
Anthropologists also believe that cave-babies ate dirt, exposing themselves to germs and bacteria in an effort to build up their immune system.
Grayson just does it 'cause it's fun.
The picture says it all, he likes his watermelon! 
