bbsrc:Did you know reindeers’ eyes change colour with Arctic seasons?Researchers have discovered the
bbsrc:Did you know reindeers’ eyes change colour with Arctic seasons?Researchers have discovered the eyes of Arctic reindeer change colour through the seasons from gold to blue (see top image), adapting to extreme changes of light levels in their environment and helping detect predators.The BBSRC-funded team from UCL (University College London), and the University of Tromsø, Norway, showed that the colour change helps reindeer to see better in the continuous daylight of summer and continuous darkness of Arctic winters, by changing the sensitivity of the retina to light.Read more: http://bit.ly/1eQ5bZA Top image copyright: Glen Jeffery Bottom image copyright: Erling Nordoy -- source link
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