Reindeer eyes change color, putting Rudolph's red nose in the shade – new research podcast

Reindeer have adapted to the dim, blue light of the Arctic winter. Alice/Wikimedia Commons, CC BY-SA

Reindeers’ noses may not glow red, but these creatures of cold climes have evolved the ability to change the color of their eyes to help them thrive in dark, northern winters. In this Discovery episode, we speak with Glen Jeffery, a professor of neuroscience at the Institute of Opthamology at UCL (University College London) in the U.K. about what makes reindeer eyes truly unique in the animal kingdom.