Color patterns in animals, whether vertebrates or invertebrates, are designed by the Creator for camouflage, warning, courtship, or, simply, for the...

Speciation may be defined as the separation of populations of animals or plants that resemble one another closely and originally able to interbreed—into...

The evolution of mammals from non-mammals, like the evolution of all other animal groups, has been, and will always be, problematic. English paleontologist...