How do birds navigate? When they face north, their brains do something incredible. - Big Think
How Migrating Birds Use Quantum Effects to Navigate - Scientific American
Magnetic compass of garden warblers is not affected by oscillating magnetic fields applied to their eyes | Scientific Reports
Evidence of magnetoreception in humans
Magnetoreception - Wikipedia
We may finally know how migrating birds sense Earth's magnetic field | New Scientist
Hypothetically, if you attach a small magnet to a migrating bird that navigates via Earth's magnetic field, could it cause them to lose their way? - Quora
Bird Brain II
Birds Use Their Eyes To See Magnetic Fields for Migrating? | The Journier
Birds can 'read' the Earth's magnetic signatu | EurekAlert!
Birds of a Feather Magnetize Together: How Birds Use the Earth's Magnetic Field to Find Their Way Home
We Finally Know How Birds Can See Earth's Magnetic Field
How birds "see" magnetic fields
Earth's magnetic field – Bird migration – Te Ara Encyclopedia of New Zealand
Effects of Earth's Magnetic Field on Birds | Stanford Magnets
How do birds 'see' the earth's magnetic field during migration? | Illinois