Big Brown Bat Males Call 'Dibs' on Food (image) Cell Press Caption As big brown bats wake up from their winter slumber and start zooming around in pursuit of insects to eat, how do they coordinate their activities in the dark of night? For one thing, according to researchers who report their findings on March 27 in the Cell Press journal Current Biology, males do it by telling other males to back off. In so doing, those vocal males -- each with their own distinctive calls -- increase their chances of a meal. Credit Genevieve Spanjer Wright Usage Restrictions Credit Required 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.