Barrow’s Goldeneye

I’ve taken quite a few pictures of this duck, a Barrow’s Goldeneye, in the last few years, and I’ve always been fascinated by the white “chevrons” on its side,

Barrows Goldeneye

but it wasn’t until I saw this shot that I realized what caused those “chevrons.”

Barrow's Goldeneye Landing

Duh… Nature’s origami.