A mother bear fights an alpha male tiger at Tadoba National Park in central India to protect her cub from becoming the feline’s prey.

Her head above water, Wikie the killer whale looks at the human trainer next to her pool, listens, then loudly vocalises: "Hello."

Thai police have arrested an alleged kingpin in Asia's illegal trade in endangered species, dealing a blow to a family-run syndicate that smuggles elephant ivory, rhino horn and tiger parts to Chinese and Vietnamese dealers.

Energy companies and other businesses that accidentally kill migratory birds will no longer be criminally prosecuted, the Trump administration says in a decision hailed by industry but denounced by environmental groups.

The Tasmanian tiger was doomed long before humans began hunting the enigmatic marsupial, scientists say, with DNA sequencing showing it was in poor genetic health for thousands of years before its extinction.

A circus tiger is shot dead by its owner after escaping into the streets of Paris, affecting public transport and bringing emergency services rushing to the area.

Police rescue four cubs of lion and leopard from a Prado in Jessore Sadar upazila.

Iranian environmentalists have mobilised to protect the world's last Asiatic cheetahs, estimated to number just 50 and faced with the threats of becoming roadkill, a shortage of prey and farmers' dogs.

A female bottlenose dolphin has died at a Japanese aquarium only weeks after breaking a national record of more than four decades in captivity, an official says.

Mass starvation has wiped out thousands of penguin chicks in Antarctica, with unusually thick sea ice forcing their parents to forage further for food in what conservationists call a "catastrophic breeding failure".

South Africa and Chad sign an agreement that will see the re-introduction next year of critically endangered black rhino to the central African country.

The wildlife department releases a fishing cat in Lawachhara National Park in Kamalganj upazila of Moulvibazar, a day after it was rescued from Rajnagar upazila of the district.

The world's oldest captive giant panda has died at the ripe old age of 37 -- more than 100 in human years -- her handlers in China say.

Venezuela authorities investigate the theft of animals from a zoo in western state of Zulia that were likely snatched to be eaten, a further sign of hunger in a country struggling with chronic food shortages.

In pictures taken from her Gulshan home, NB Mansoor tells the story of how she made friends with a mama monkey.

A 115-year-old desert tortoise that disappeared from its garden at a New Mexico senior living community returns.

While African lions have a habit of killing leopards, it is quite surprising to see a five-year-old lioness nursing a weeks-old leopard cub recently in Tanzania's Ngorongoro Conservation Area.

Bertha, believed to be the world's oldest hippopotamus, dies aged 65, the Manila zoo says, having beaten the typical lifespan for the mostly herbivorous mammals by decades.

An Asian water monitor lizard is rescued and later released in Kushtia.

For several months, electric fences have been put up in Gabon, a country in Central Africa, as part of a new programme to stop the country's 40,000 forest elephants from destroying crops.