The forest officials count a horned rhinoceros from on top of an elephant during a rhino census at the Pobitora Wildlife Sanctuary in Assam. | AP
A one-horned rhinoceros walks inside the Pobitora Wildlife Sanctuary in Assam. | APA mahout prepares elephants before a rhino census at the Pobitora Wildlife Sanctuary in Assam. | APForest officials on an elephant count one-horned rhinoceros during a rhino census at the Pobitora Wildlife Sanctuary in Assam. | APA one-horned rhinoceros stands inside the Pobitora Wildlife Sanctuary in Assam. | APThe forest officials patrol during a rhino census at the Pobitora Wildlife Sanctuary in Assam. | AP