The answer is omnivores.All these species are omnivores. Omnivores are animals that eat both either animals and plants. Some species of cricket are known to eat some plant materials and small insects. Robin eats mostly fruits and berries, but also worms and insects. Raccoon eats nuts, berries, fruits, fish, frogs, insect, mice, rabbits and other small animals.All this classifies them as omnivores.