The carcass would be that of a grass-eating animal - an herbivore. Along with the internal organs dogs would eat the predigested grasses and plants of the carcass. Those grasses and plants would consist of no more than 20 to 25 percent of the dogs' total diet. They would raid nests from ground-breeding birds and eat the eggs, and they would catch the occasional insect. These dogs might forage on certain weeds and grasses.