In this undated photo released by the WWF-Indonesia, a scientist measures a footprint which is believed to be of a Sumatran rhino in a forest in Kutai Barat, East Kalimantan province, Indonesia. The ... more 
In this undated photo released by the WWF-Indonesia, a scientist measures a footprint which is believed to be of a Sumatran rhino in a forest in Kutai Barat, East Kalimantan province, Indonesia. The WWF-Indonesia said that they have discovered several footprints believed to be from the critically endangered species on Indonesia's Borneo island. (AP Photo/WWF-Indonesia) NO ARCHIVE, NO SALES less 
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Associated Press | Photo By WWF-Indonesia
Thu, Mar 28, 2013 2:54 AM EDT