Complex sentence: Predators of eggs and nestlings includes raccoons, crows, porcupines and American Black Bears and adults have been know to fall to Red-tailed Hawks, Great Horned Owls, Bald Eagles, and Golden Eagles.
Split into simpler sentences: Predators of eggs and nestlings include raccoons, crows, porcupines and American Black Bears. Adults have been known to fall to Red-tailed Hawks, Great Horned Owls, Bald Eagles, and Golden Eagles.