Since 2007 bachelor groups of Myotis daubentonii have been found in boxes e63 and e62 on 8 occasions... Thanks to ringing these bats we know there have been 89 encounters with 54 individuals in these two boxes... we also know these same bats have been found in 25 other boxes on 29 occasions ...where they have been found with 247 other individual bats during 380 captures, including visits to females from at least two maternity colonies. Oxford Mammal Group.