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."

Photograph by David Liittschwager

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