It was thought to be extinct until it was rediscovered in 1981 by Adam C. Messer, an American entomologist, who found six nests on the island of Bacan and other nearby islands.
Это сделал американский энтомолог Адам Мессер ("Adam C. Messer"), который нашел 6 гнезд на острове Бачан ("Bacan", бывший Bachian или Bachan, голл.