Sumatran tigers are critically endangered - with fewer than 400 believed to be left in the wild.

More than half of US national parks are threatened by invasive animals, like pythons and feral pigs.

Footage of a bear inscribed with "T-34" - the name of an iconic Soviet tank - is shared in Russia.

Three men die in little over a month in Romania, home to Europe's biggest brown bear population.

The discovery of baby crocodiles in a river in Nepal is raising hopes for the future of the gharial.

Russian scientists tracking eagles got huge SMS bills when some birds flew to Iran and Pakistan.

There are millions of creatures, flora and fauna stored at the National Wildlife Property Repository in Colorado

Most seabird populations, including kittiwakes, puffins and herring gulls, remain at risk.

The "necklace" injuries from discarded plastic waste are becoming more common, says the RSPCA.

At least one in five vertebrate species on Earth are bought and sold on the wildlife market.