Life's Visible Compass: Secrets of Bird Navigation, Determining how Electro-Magnetic Vision Works


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By Alex Wierbinski - Posted on 10 April 2018

 

AMAZING LIFE
Life's Visible Compass: Secrets of Bird Navigation

Determining how Electro-Magnetic Vision Works, How birds can detect the Earth's magnetic field,
Lund University, April 6, 2018.

"The receptors that sense the Earth's magnetic field are probably located in the birds' eyes."

"The conclusion is thus that this specific protein helps the magnetic sense to function, while other cryptochromes, whose levels in the body vary at different times of the day, take care of the biological clock instead."

"Last year, Atticus Pinzón-Rodríguez and his colleagues noted that not only migratory birds navigate using a magnetic compass. Even resident birds that do not migrate in the spring and autumn have a magnetic sense and navigate using their internal magnetic compass. He now takes this one step further."

"This and last year's results indicate that other animals, perhaps all of them, have magnetic receptors and can pick up on magnetic fields."



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