These Natterers are from Social Group 'MnEO5' which have an exclusive roost territory in this part of Broad Oak, and have previously been found in o217 on 30/07/07 and 11/07/09. A3664 was ringed as a juvenile in 2010, she bred in 2011 (when she was only 1 year old), but she did not breed during 2012 probably due to the poor summer weather. She has been recaptured 8 times, all in boxes within a 250m radius of where she was ringed. Oxford Mammal Group.