Specieswatch: farmers fight to save Britain's disappearing earthworms

Song thrush and soil fertility under threat from decline of surface-dwelling wormsThere are three types of earthworm: those that live on the surface, others that feed and dwell in the soil, while a third group makes deep burrows and comes to the surface to feed on dead leaves.All are vital to the soil health, providing nutrients and drainage, so it is concerning when they are scarce or absent on farmland. Continue reading...