Many modern dogs are variations of former dog breeds that, for various reasons, have gone extinct. These dog breeds, in particular, are some of the most well-known breeds of dog that no longer exist.

Brown bears, Greece’s largest predator, have made a remarkable comeback. Their numbers have increased roughly fourfold since the 1990s, said Dimitris Bakaloudis, a professor at the Aristotle ...

Brown bears, Greece’s largest predator, have made a remarkable comeback. Their numbers have increased roughly fourfold since ...