50 years ago, scientists wondered how birds find their way home
Excerpt from the April 13, 1974 issue of Science News
Proteins within the eyes of the European robin are sensitive to magnetic fields, research shows, suggesting that the bird can “see” Earth’s magnetic field and perhaps uses it to navigate.
Mark Chivers/Moment/Getty Images Plus
A world concealed from man but known to birds — Science News, April 13, 1974
What subtle sensory cues enable a bird to navigate … with spectacular accuracy? [Researchers] have found that birds can sense small changes in air pressure … and can “see” polarized light ….