At least 25% of the world's mammal species are at risk of extinction, according to the first assessment of their status for a decade.

The Red List of Threatened Species says populations of more than half of mammalian species are falling, with Asian primates particularly at risk.

The biggest threat to mammals is loss of habitat, including deforestation.

But there is good news for the African elephant, whose recovery leads to removal from the high-risk list.

This year's Red List looks at 5,487 mammals, and concludes that 1,141 are currently on the path towards disappearance.