Has the Earth's sixth mass extinction already arrived?

With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times before during ...

Leopards, wolves vanishing from panda conservation areas: study

It may be one of the most recognisable symbols of conservation, but efforts to protect the giant panda have failed to safeguard large mammals sharing its habitats, according to research published Monday showing dramatic declines ...

Multi-tasking whales sing while feeding, not just breeding

Humpback whales are famed for their songs, most often heard in breeding season when males are competing to mate with females. In recent years, however, reports of whale songs occurring outside traditional breeding grounds ...

Lemurs the world's most threatened mammal: study

Lemurs, the furry apes brought to fame by the Disney animation film "Madagascar", are the most endangered mammals on Earth, an International Union for Conservation of Nature conference found.

European bison return to Spain: reports

The nearly extinct European bison has been reintroduced after centuries in Spain with seven animals coming from a rare herd in Poland, Spanish media reported Saturday.

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