Birds Use Earth’s Magnetic Field For ‘Stop Signs’ When They Migrate

Thanks to a combination of sensing the Earth’s magnetic field through vision and an in-built compass that allows them to orient themselves according to magnetic intensity, migratory birds don’t have much trouble finding their way.   Those biological gadgets, known as magnetoreception, allow birds to not only know which direction to head in on their first outbound migration but … Read more

Bird navigation: Slope of Earth’s magnetic field may be ‘stop sign’ for migrating species

Eurasian reed warblers migrate to sub-Saharan Africa each year – and they seem to use the slope of Earth’s magnetic field to judge when they have reached their European breeding grounds Life 27 January 2022 By Alex Wilkins A Eurasian reed warbler Shutterstock / Rafal Szozda Some birds rely on Earth’s magnetic field to navigate and … Read more