Migratory birds use head scans to detect the direction of the earth's magnetic field med./bio.

Exposure

• • static magnetic field
  • geomagnetic field
• • shielding/field deprivation

Related articles

• Chernetsov N et al. (2011): Not all songbirds calibrate their magnetic compass from twilight cues: a telemetry study
• Mora CV et al. (2004): Magnetoreception and its trigeminal mediation in the homing pigeon