For days, Cliff Paiva, a physicist living in California, analyzed the video footage: two lights that Paul Nation (of Texas) recorded in Papua New Guinea, late in 2006. Whatever the lights were, they were not airplanes, meteors, car headlights, flashlights, or camera artifacts. The images were also not from a paste-on hoax.
Paul Nation had searched for creatures that he was told were described like long-tailed pterosaurs. Local natives call it "indava" (deep in the mountainous mainland interior of Papua New Guinea). In two previous expeditions, Nation failed to see any bioluminescent ropens on Umboi Island; but on his third trip he tried another location and became the first American explorer to videotape this kind of glowing creature.
Although Paiva could resolve no clear image from the bright glow, he also could find no commonplace explanation. It seems that Nation did record the bioluminescence of the giant nocturnal flying creature locally called "indava," and that it's the same type of creature called "ropen" on Umboi Island. No reasonable alternative idea has been suggested to contradict the theory that the indava is a Rhamphorhynchoid pterosaur.