Newborn pups are born roughly 32.5% of the size of the mother, whereas other species in the Phyllostomid family range from 18.6-29.4% of mother size. References Chiroptera Specialist Group 1996. . 2008 IUCN Red List of Threatened Species. Downloaded on 26 October 2008. Theodore H. Flemming, 2003. A Bat Man in the Tropics: Chasing El Duende. Eisenberg, J.F. and Redford, K.H. 1999. "Mammals of the Neotropics, Volume 3: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil". University of Chicago Press. Bats of Central America Bats of South America Mammals of Colombia Mammals of Guyana Phyllostomidae Mammals described in 1865 Taxa named by Wilhelm Peters