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Reindeer Eyes of Gold and Blue

Reinsdyr-1web_Credit Erling Nordoy
Arctic reindeer, photo by Erling Nordoy

As the cold months of winter draw near, human adaptations tend to include warm coats, turning the heat up, and turning the clock back. But for Arctic reindeer, it’s a little different. Researchers have discovered something special about how Artic reindeer prepare for the long darkness of an arctic winter. Their eyes can change color.

Reindeer eyes shift from brightly gold in the summer to a deep blue in the winter, allowing them to better see both food and predators as the seasons change. Continue reading Reindeer Eyes of Gold and Blue