Some even have flaps that can be extended like a fan - hence the association with peacock birds. There has been a flurry of new species discoveries in recent years, and given their popularity it's ...

Birds come in all shapes, colors, and sizes, but some are particularly breathtaking. Here’s a look at five beautiful birds ...

It might be ornate peacock plumage, large antlers on a deer, or a bird's particularly melodious mating call. Another type of sexual selection is combat among members of the same sex to choose an ...