It is precisely unknown when legs disappeared during evolution at ancestors of modern snakes, but on x-rays and now it is possible to see the rudimentary remains of the lower extremities.
Today fans of exotic animals prefer not only rare breeds of dog and cats, but also quietly get in the city apartment of crocodiles, cane cats and birds of prey, for example, owls. At the same time it is important to choose a suitable name for feathery.