wolves
Humans, primarily. Wolves, bears, cougars and coyotes also tend to prey on cattle.
Bears and cougars are hunted and eaten by humans, and they are animals that would prey on cattle.
I'm not sure if he eats the cattle, but Kirke turns Odysseus' men into pigs.
shrubs and cattle grass
human
Coyotes and wolfs are probably the most common not including humans, but there are a lot of other animals that will eat them as well. What farm animal will tolorate eating bean pods on a regular basis?
Cattle and horses eat crabgrass.
Humans eat fish
insects
humans
A cannibal is a being that eats it's own kind.
A hawk eats geese.