"Dramatic" New Pictures: Rare Javan Rhino Spotted

A Javan rhinoceros triggers a camera trap inIndonesia's Ujung Kulon National Park in late 2010. The image was released this week byWWF-Indonesiaand Indonesia's National Park Authority.

A motion-activated video camera also recorded"dramatic"footageof four of the rhinos, deemed critically endangered by theInternational Union for Conservation for Nature. At fewer than 40 individuals, the Javan rhino may be the rarest mammal on the planet, according to WWF.

(Seepictures:"14 Rarest and Weirdest Mammal Species Named.")

Though the videos and pictures are"great news,"the animals still face grave threats, WWF-US chief scientistEric Dinersteinnoted in a statement.

For instance, an eruption of the nearby Anak Krakatauvolcanocould easily wipe out all life on the peninsula that the rhinos call home.

"There are no Javan rhinos in captivity,"he said."If we lose the population in the wild, we've lost them all."

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