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Many community forests are adjacent to national parks, and their revival has allowed endangered plant and animal species, including the tiger, the one-horned rhinoceros and the gharial, a crocodilian reptile, to thrive.

By publicising the plight of these "truly spectacular species", the scientists hope to help slow the slide towards oblivion of reptiles such as the loggerhead sea turtle and the gharial, or fish-eating crocodile.

Its croc cousin the gharial, on the other hand, is critically endangered.

You're forgiven for doing a double-take because you don't immediately register that this male gharial croc's back is entirely covered by its young.

"Other crocs carry their young about in their mouths. Very carefully, of course! But for the gharial, the unusual morphology of the snout means this is not possible. So the young have to cling to the head and back for that close connection and protection."