Adult brown garden snail, Helix aspersa, exuding spittle on a leaf next to snail feces.

Brown garden snail, adult exuding frothy spittle on avocado leaf next to avocado leaf with snail feces excrement. Santa Barbara Co., CA.  Credit: David Rosen
Adult brown garden snail, Helix aspersa, exuding spittle on a leaf next to snail feces. Credit: David Rosen