Animal Empires

The macaques of Gibraltar are the only nonhuman wild primates in Europe, raising their young amid the hustle and bustle of the city. Half a world away...

Just off the mouth of the Mississippi, a rare breed of Chinese deer has found a new home--and new hope--for its embattled species. Further east, the g...

Off the southern coast of Australia, a group of western grey kangaroos enjoys life on the predator-free and aptly named Kangaroo Island. Further south...

Sometimes, a species' survival hinges on inhabiting an area that isn't theirs. From the ubiquitous brown rat to the seals of Pier 39 in San Francisco...

While seafaring elephant seals and tundra-traversing caribou are impressive travelers, monarch butterflies may be the most amazing migrators of all. T...

When domestic animals escape into the wild, some revert back to their origins and thrive. From wild donkeys in Bonaire to feral pigs in the Bahamas to...