Persian cats and pug dogs evolved nearly identical flat faces due to human breeding. This convergence makes them look similar ...

Some dogs look very similar, like the Pug. But some of them have changed dramatically, like the Doberman. Which dog breed do ...

Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats to evolve with very similar skulls and 'smushed' faces, so they're more similar to each other than they are to ...