Pokemon XIt loves to eat leaves. If it is attacked by a Starly, it will defend itself with its spiked rear.

Pokemon YIt lives among the tall grass and in forests. It repels attacks by raising up the spikes on its rear.

Pokemon Omega RubyUsing the spikes on its rear end, Wurmple peels the bark off trees and feeds on the sap that oozes out. This Pokémon’s feet are tipped with suction pads that allow it to cling to glass without slipping.

Pokemon Alpha SapphireWurmple is targeted by Swellow as prey. This Pokémon will try to resist by pointing the spikes on its rear at the attacking predator. It will weaken the foe by leaking poison from the spikes.