Looking and Listening for Lunch

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Not all birds eat earthworms, but earthworms do form part of the diet of many. Because worms live beneath the soil surface, birds can’t find them by sight alone. They can feel the vibrations of moving worms beneath the soil and can also use their keen sense of hearing.

Robins poke their sharp beaks into a patch of grass and pinpointed where the worms might be in the ground.