The greater sheath-tailed bat or New Guinea sheath-tailed bat (Emballonura furax) is a species of sac-winged bat in the family Emballonuridae. It is endemic to New Guinea and some nearby islands.
The New Guinea sheath-tailed bat weighs 10 - 14 g (0.4 - 0.5 oz). The head and body lengths of various specimens have been measured at 55 - 61 mm (2.2 - 2.4")[1]