18A WORM’S
WORK
Earthworms do lots of hiddenjobs, especially in the spring andthe autumn. This is when most soilsare warm and moist. The three mainearthworm types are surface worms,topsoil worms, and deep burrowers.Wildlife food
Earthworms arean important food forwildlife such as birdsand foxes. Foxes catchup to 10 juicy wormsa minute.Leaf decomposers
Red surface worms usually grow to thesize of a matchstick. These worms feedon dead leaves near the soil surface.They poo the nutrients from the leavesinto the soil.Off-duty worms
Soil can become too dryfor earthworms. Then, theworms make smallchambers, and curl upinto tight knots to restand avoid losing moisture.This can be for days ormonths, until the soilconditions improve.Surfacew
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s.Mucus-linedchambers helpworms survivethe summer.Birds catch worms tofeed their chicks.018-019_A_Worms_Work.indd 18 08/11/2019 09: