Well, a shark can. We can. Just think/look at the food chain and what category that would go in. They would tell you what animals would eat them.
people, babiesand and skittles
The blue-winged goose eats insects and small reptiles. They will also feed on grass and the green parts of various other plants.
No animals eat blue flag iris because it is toxic.
fox
Red winged Blackbirds eat seeds and insects.
blue harons eat fish,insects and other small animals.
Yes blue whales eat shark,other whales,and jellyfish.
the blue whale
octopuses
Ducks are not birds of prey. They mainly eat aquatic vegetation (but will also be happy to eat bread crumbs if you want to feed them).
Blue bottle flies the adult ones eat nectar. The blue bottle flies larvae eats carcasses, dead meat or animals, and living animals that have open wounds.
Blue whales are consumers. They eat other animals or fish. They don't eat, usually, left over food. And they do not eat dead and decomposed animals like earthworms do.