Mother and pup (IMAGE) Smithsonian Tropical Research Institute Caption Mother-pup pair of Saccopteryx bilineata in the day-roost. The pup is attached to its mothers’ belly. Credit Michael Stifter Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.