The king cobra, the world’s longest venomous snake, and the peacock, known for its vibrant feathers, stand out in nature. While the cobra's swift, toxic strike could swiftly incapacitate the peacock, ...

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 ...