Spotted this long worm with a flat, shovel-shaped head slithering on the patio stones. It looks totally unnatural. What is this?

11. Why This Strange Invader Matters for Your Garden and Local EcosystemHammerhead worms, despite their small size, can have a significant impact on garden ecosystems. By preying on earthworms, they disrupt the natural soil aeration and nutrient cycling that earthworms provide, potentially leading to poorer soil health and reduced plant growth.Their presence is a reminder of the delicate balance within ecosystems and the potential consequences of introducing non-native species. Understanding and managing hammerhead worms is important for maintaining the health of local environments and ensuring that beneficial species continue to thrive.