I Hear You

How does a robin know a worm is in one exact spot? Does it see the worm or hear it? Smell it? Sense its movements through its feet? To find the answer, researchers buried worms in soil in a tray. They covered the soil with a thin but opaque sheet of cardboard, followed by more soil, so the robin couldn’t see the worms. Still, the robin found them with ease. The scientists concluded the birds are listening for their prey. https://www.birdnote.org/listen/shows/does-robin-hear-its-worm

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