California wildlife authorities urge citizens not to break up two invasive worms because doing so will spawn new individuals.
Hammerhead and leaping worms damage gardens, woodlands, and animals.
Southeast Asian hammerhead worms may kill animals several times their size.
Peter Ducey, a hammerhead worm researcher at SUNY Cortland, told Newsweek, "Despite being strong predators
"Bipalium's mouth is on their bodies, not their heads. When a planarian creeps onto an earthworm, a narrow pharynx arises from its mouth.
Enzymes from the planarian's pharynx transform the earthworm into a liquid. The planarian drinks this liquid."