Pigeons may navigate using magnetic cells in their liver

A study in the journal Science argues that homing pigeons may read Earth's magnetic field using iron-rich cells in their livers, rather than their beaks or eyes. Researchers wiped out those cells in 34 trained birds; under heavy overcast, none could find their way home, while untreated birds all made it back within 70 minutes. — Read the rest The post Pigeons may navigate using magnetic cells in their liver appeared first on Boing Boing.