The Secret behind Songbirds’ Magnetic Migratory Sense

The Secret behind Songbirds’ Magnetic Migratory Sense

Together with an international team of scientists, he investigated another sense birds can use to help them—the earth’s magnetic field. And the most likely molecule is the protein cryptochrome. Intagliata: But here’s what they didn’t know: How does that light-sensitive protein, cryptochrome, actually help the birds sense magnetic fields? That, in turn, might trigger a cascade of messaging, which would allow the bird to “sense” the magnetic field. [Jingjing Xu et al., Magnetic sensitivity of cryptochrome 4 from a migratory songbird]This experiment only tested the proteins outside birds’ eyes.

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