Mine are all grass eaters! I mean everyday. They will eat grass after just eating, so it cant be because they are hungry. I have heard that they will do that if they have a stomach ache to make themselves throw up, but it is all of them and they do not throw up. None of them have any issues, like not eating or acting wierd. They have always been grass eaters...it drives me crazy, i feel like i am raising cows!! Anyone have any input? Or are there other grazers out there? It is all five of mine, 2 yorkies, 2 beagles and a rat terrier....