A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem.

Quick Take African penguins faced an eight-year die-off from 2004 to 2011, with about 62,000 adults dying mainly from ...

He often shares fascinating videos of the animals he encounters while working in Antarctica, and he recently posted a clip of some very friendly Emperor penguins stopping by to say hello to the ...

Penguins throughout the southern seas have to worry about being picked off by seals or hunted by orcas. On land, they can ...

In a national park in Patagonia, something remarkable is happening between predators and prey: Pumas are returning—and ...

Penguins in the coastal steppes of Argentina have a new enemy to worry about: the increasing numbers of pumas in Monte León ...

Penguins, tigers, tarantulas and gorillas were just some of the thousands of creatures that stood on a scale as London Zoo keepers began recording vital statistics for the zoo’s annual weigh-in. More ...

John Ball Zoo's animal care team conducted annual health exams on 24 Magellanic penguins using assembly line-style stations ...

These fellas hatched a chick. In a first for the Rosamond Gifford Zoo in Syracuse, New York, a same-sex penguin couple hatched a baby chick, local news station 13 WHAM reported, and will now raise the ...

While the hands-on portion of the process typically takes two to three hours, zoo officials say exam day is an all day effort ...