Native frog species of California are also suffering a decline because bullfrogs are intense predators on frog populations.
(Native frog species of California; are suffering; a decline; because bullfrogs are intense predators on frog populations) (bullfrogs; are; intense predators on frog populations)
Native frog species of California bullfrogs
are suffering are
a decline because bullfrogs are intense predators on frog populations
intense predators on frog populations