I leant into the sea breeze as the island of Rinca loomed closer. We&rsquod been sailing for two hours under the bright empty horizon that cupped this part of the South Pacific Ocean, the Flores Sea. Encrusted in dry savannah, Rinca rose out of the water abruptly, like a gnarled and ancient creature, watching us approaching intruders with unblinking reptilian eyes. That the landscape felt anachronistic was apposite, for so were its inhabitants dragons.

