Relocated and released Australian saltwater crocodiles use an unknown navigation method to trace their way back to native rivers, a new study says.

Baboons casually open car doors and climb in, rob homes, and otherwise terrorize residents of South Africa's Cape Peninsula.

Visitors can snorkel and swim with whale sharks as they make an annual appearance to feed on plankton blooms each September off Mexico. But there's concern the tourists could innocently harm this vulnerable species.

In what researchers have dubbed a "hotbed of deception," some male bat bugs have evolved females' fake genitals to prevent damage during sexual encounters.

A proposed facility in the Tana River Delta has ignited debate over whether the project is the best way to boost the economy while protecting biodiversity.

Wildfire ravages California, divers try out the life aquatic, Typhoon Nari lashes South Korea, more.

A bear, a beheaded caribou, a cigarette-smoking deity, and other wild wonders stalk our selection of winning pictures from the latest Banff Mountain Photography Competition.

An unusual species of flying fox was recently discovered in the Philippines not long after it was deemed not to exist.

Honeybees on the island of Cyprus form tight balls around attacking hornets to suffocate them, new research suggests.

Deadly cobra guards $125,000 sandal, Russia detonates "father of all bombs," Ethiopia rings in year 2000, more.

Fossils of 260-million-year-old reptiles with advanced ears show that land animals had modern hearing much earlier than previously thought.

Images of the elusive Chinese mountain cat might help experts better understand the animal while increasing public awareness of its plight, researchers say.

Photos: See the Rare Cat

A female shorebird was recently found to have flown 7,145 miles (11,500 kilometers) nonstop from Alaska to New Zealand, without taking a break for food or drink.

Salmon surrogates have created young that are 100 percent trout, researchers say. The technique could be used to produce species that are endangered or even extinct.

See a 1999 television segment that shows Alex at work with Irene Pepperberg, a psychologist who worked with him for years and described Alex not as a pet or as a lab subject but as a colleague.