Arctic reindeer can change its eye colour from golden in summer to deep blue in the winter. They posses a light-reflecting layer of tissue called Tapetum lucidum that reflects most light back to ...

Reindeer's 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 ...

It may sound unbelievable, but reindeer eyes change from a blazing gold in the summer to a deep, dark blue in the winter. However, this isn’t the kind of color change you might expect, as it ...

Not all reindeer eyes change color. To date, the phenomenon has only been observed in Arctic reindeer. This is due to the extreme environmental changes they experience at such high latitudes.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Daniel Merino, The Conversation (THE CONVERSATION) Reindeer noses may not glow red ...

It may sound unbelievable, but reindeer eyes change from a blazing gold in the summer to a deep, dark blue in the winter. However, this isn’t the kind of color change you might expect, as it ...