Cold-weather Camouflage: How do birds conceal themselves in winter?

A Purple Sandpiper on a rocky shoreline.

To put it as simply as possible: birds display two types of camouflage: color and shape. Both of these techniques help them to perform the magical act of disappearing, of blending into their surroundings, sometimes to the point of invisibility. In the spring, birds put themselves on display in hopes of finding a mate. During … Read more

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