Finches are relatively affordable and easy to care for, although keeping them happy and healthy still requires daily care and ...

Scientists long after Darwin spent years trying to understand the process that had created so many types of finches that differed mainly in the size and shape of their beaks. Most recently ...

Here is how 15 very distinct types of domestic felines got their start. Most new breeds are built from the birth of just one ...

Not only their behavior changed; domestic dogs are different in form ... diversity must reflect interbreeding with several types of wild dogs. But the DNA findings say differently.