Bird's Eye View II

Some birds, like this Red-tailed Hawk, possess amazingly highly developed eyesight. Just what makes birds’ eyes so special, their eyesight so remarkable? It has to do with the muscles that give them an astonishing ability to focus and to change focus. Birds have muscles that carry out both jobs, plus other muscles that change the shape of the cornea, too. And birds have exceptionally large eyes located on the sides of their heads, so they have a bird’s eye view of almost all of their surroundings, almost all the time.
Learn more at StanfordBirds.

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