Philly's "pigeon people" want to change your mind about one of the world's most maligned birds. Why it matters: Aspen Simone ...

The human eye registers three colors of light: red, green and blue. But pigeons (and many other animal species) can also see a fourth color, ultraviolet. The "four-dimensional" color space pigeons see ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Odisha’s carrier pigeon service still maintains a fleet of ...