Seabirds are omnivores. Some seabirds are omnivorous, many others are more specialized, feeding particularly on fish, the species and size of which will depend on the size and species of the bird. So, big birds will eat bigger fish. Other birds feed on marine invertebrates, such as shrimps.
Some are. They eat fish, worms or other birds (gulls, pelikans, sea hawks). Or things already dead (vultures). Some are herbivores and eat mostly seeds/plants (ducks, jaybird...). Most small birds are probably omnivores and eat some of both.
Yes. Most deer are omnivores! People will say that caribous don't eat meat, but they do they eat birds just Like the white tailed deer actually eat birds. (small) if you talked to any envoirmentalist they will say that caribous are omnivores
yes like other birds black birds are omnivores they will eat any thing from small insects to plants and seeds and even small reptiles and mammal's some instances they will even eat other birds and steal the egg's they are very head strong birds with huge appetites.