Behold a bat house the size of a human home

To combat the spread of malarial mosquitoes in Texas in the early 1900s, bacteriologist and fledermaus appreciator Dr. Charles Campbell of San Antonio built this massive bat house (which was one of several). This roost was on stilts so that the bats' nitrogen-rich guano could be collected as it plopped to the ground. » 5/21/12 11:20am 5/21/12 11:20am