This course highlights white color in nature.
What is the common theme between snow, splashing water, clouds, polar bear fur, white weasels (ermines), whipped egg whites, and the foam on a beer head?
Picture credit: USFWS Mountain-Prairie. Ermine. The name ermine is often used for the long-tailed weasel in its pure white winter coat. Despite their small size and cute appearance, they are very aggressive carnivores, Flickr.com, taken on March 11, 2016.