Posted by: atowhee | July 23, 2014

BAT NAVIGATION

It’s been known for some time that some animals use solarized light to aid in navigation. Fish, insects and some birds have been shown to use polarized light in getting around. Now research shows that bats do that as well, especially helpful at dusk in setting their magnetic compass for the coming night. Bats, of course, have long been known to use echolocation as do some ocean mammals and even some blind humans.
The mystery that still remain: how do the adept animals take in and register the solarzied light in the first place? Through specialized part of the eyes or some other way?


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