I was driving home from Sturgeon Bay when, a half mile before reaching my home, I saw a large dark bird soaring over a field.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Beauty, they say, is in the eye of the beholder. Well, if ...

Occasionally you see a bird without tail feathers. Chances are the bird lost feathers instead of its life by a lucky escape from a predator. When will the feathers grow back? Is replacement immediate ...