Rattlesnakes prey upon mice, rabbits, lizards, and other small ground animals, while they, themselves, are prey to owls, foxes, and hawks.
(Rattlesnakes; prey; upon mice, rabbits, lizards, and other small ground animals) (they; are; prey to owls, foxes, and hawks)
Rattlesnakes they
prey are
upon mice, rabbits, lizards, and other small ground animals
prey to owls, foxes, and hawks