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Last Updated: Thursday June 16 2011 09:06 GMT

Arabian Oryx saved from dying out

An Arabian oryx

An antelope hunted to extinction in the wild has been brought back from the brink of dying out.

Experts revealed the news about the Arabian Oryx as they published this year's Red List - a rundown of the planet's endangered plants and animals.

The oryx has moved from "endangered" to the less-serious "vulnerable" category - the first time a species' fortune has improved so much.

But despite this good news, other species like frogs are under threat.

The last wild Arabian oryx was shot in about 1972, but a project to breed them in captivity and release them into the wild means there are now about 1,000 on the Arabian peninsula.

Harlequin toad
Some harlequin toads in Peru are at risk

The Red List also revealed that of the 19 species of frogs, toads and salamanders added to the the list this year, eight are critically endangered.

The ones in real peril of dying out include a type of harlequin toad from Peru and a salamander from Guatemala.

Madagascan discoveries
Furcifer timoni

The scientist say an estimated 41% of amphibians are at risk of extinction across the planet, making them one of the most threatened groups of species.

Habitat loss, pollution, disease and other types of non-native animals are being blamed for their decline.

The scientists also decided to keep a close eye on the welfare of lobsters as not very much is known about their numbers.