Separate Homesteads (IMAGE) Max-Planck-Gesellschaft Caption Scientists from the MPI for Ornithology investigating the ecological niches of parti-colored bats have discovered that males and females use entirely different foraging grounds. This means that from an ecological perspective, males and females behave like two different species. Credit Max Planck Institute for Ornithology Usage Restrictions None License Licensed content 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.