2009 Photo Contest, Nature, 3rd prize

Hans-Jürgen and Heidi Koch

for Stern

23 April, 2008

The eye of a Nile crocodile. The eye is highly efficient at night; by day the pupil narrows to a slit. As different species have adapted to meet specific needs and inhabit varied environments, the eye has evolved with an extraordinary diversity of specialization.

About the photographer

Hans-Jürgen and Heidi Koch

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