Herbivores

In the game
Herbivorous animals are animals that eat only plants, they eat all kinds of leaf, roots and other vegetables and fruits, but will they eat marijuana, seriously, marijuana is a PLANT, so will they eat it? They are also good against flying animals, I know, it does not make sense, but there is an elephant there, there I go, I do not know, a gain, a profit does not fly right, A BIRD arrives, you know, there the elephant and he goes to fight who wins ?, the elephant, ah forget !. list of herbivorous animals in the game:
 * Giraffe
 * Zebraffe