Bats were in a state of torpor from November to April. More bats used the mine as a roost in the winter than in the summer.[18] In another abandoned mine in the US state of Indiana, researchers found that the tricolored bat roosts solitarily during hibernation for the majority of the time (96.8% of observations were singletons). During hibernation, males lose an average of 2.65 g (0.093 oz), while females lose an average of 2.5 g (0.088 oz).[19]