Photo of the Day
a detail of a southern ground-hornbill's eye
February 24, 2016
An Exquisite Eye
Vertebrate eyes—like this eye of a juvenile female southern ground-hornbill (Bucorvus leadbeateri)—are all variations on the same basic design, which functions much as a camera does.
See more pictures from the February 2016 feature story "Inside the Eye: Nature’s Most Exquisite Creation."
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