The model used real field data from the tagged bats ... were striking. At the cave’s exit, an individual bat hears an almost deafening chorus. The data showed that about 94 percent of echoes ...

The new cave-dwelling leech species is believed to exist solely on bat blood, according to researchers. Li, T. et al. (2025.) The leech’s specialized diet of bat blood has allowed it to survive ...

But until recently, the bat biologists were even more baffled ... cave and into the emerging colony, meaning that real data were missing at the cave opening when density is highest.