Friday Fun Fact

Some Reindeer living above the Arctic Circle live in complete darkness for several weeks of the year.

To adapt to this, a small area of tissue behind the retina called the tapetum lucidumchanges colour from a gold colour in summer months to blue in winter. This allows the reindeers eye’s to detect ultraviolet light and to see in the dark.reindeer-christmas.png

Advertisements

Comments are closed.