The Yellow-bellied flycatcher (Empidonax flaviventris) is a small insectivore of the tyrant flycatcher family that cannot produce the protein cryptochrome 4. The birds breed in North America and ...

A protein found in robins’ eyes has all the hallmarks of a magnetoreceptor and could help birds navigate using the Earth’s magnetic fields, according to a study published today (June 23) in Nature.

While radio waves emitted by radio and television broadcasting and CB radio can disrupt the magnetic compass of migratory birds, those used in mobile communication networks do not because the ...