Reindeers' Eyes Change Colour With Arctic Seasons

Researchers have discovered that the eyes of Arctic reindeer change colour through the seasons from gold to blue. Adapting to extreme changes of light levels in their environment and it helps them detect predators. The Biotechnology and Biological Sciences Research Council (BBSRC) funded team from UCL (University College London), and the University of Troms, Norway, showed that the colour change helps reindeer to see better in the continuous daylight of summer ...