1. Carrion: Ravens are scavengers and often feed on dead animals, including carcasses of birds, mammals, fish, and insects.
2. Small Mammals: They prey on small rodents such as mice, voles, and lemmings, as well as young rabbits and hares.
3. Eggs and Nestlings: Ravens sometimes raid nests of other birds, eating eggs and nestlings.
4. Invertebrates: They consume a wide range of invertebrates, including insects, worms, spiders, snails, and crustaceans.
5. Fruits and Berries: Ravens are known to eat berries, fruits, nuts, and seeds.
6. Grains and Seeds: They also feed on grains, such as wheat, oats, and barley, and various types of seeds.
7. Opportunistic Feeding: Ravens are adaptable and opportunistic feeders, taking advantage of available food sources. This can include human-provided foods like garbage, pet food, and leftovers.
8. Fish: Ravens can be seen near bodies of water catching and consuming fish.
It's worth noting that the specific diet of ravens can vary based on their location and habitat, as well as the availability of food resources in different regions.