Table 1. Church sites used in this study.

The figures show the number of adult female Myotis nattereri radio-tagged between 2011 and 2014, and the estimated size of the colony at each site.

Site	Church	Location	n bats radio-tagged	Estimated colony size (n bats)
Cley	St. Margaret	52°56ʹN, 1°2ʹE	27	70–90
Deopham	St. Andrew	52°33ʹN, 1°1ʹE	10	60–80
Great Hockham	Holy Trinity	52°29ʹN, 0°52ʹE	26	60–80
Guestwick	St. Peter	52°48ʹN, 1°3ʹE	29	60–80
Holme Hale	St. Andrew	52°37ʹN, 0°47ʹE	41	>130
Ingham	Holy Trinity	52°46ʹN, 1°32ʹE	6	>100
Salle	St. Peter & St. Paul	52°46ʹN, 1°7ʹE	40	30–40
Swanton Morley	All Saints	52°42ʹN, 0°59ʹE	37	80–100
Toftrees	All Saints	52°48ʹN, 0°48ʹE	25	>150
Wood Dalling	St. Andrew	52°47ʹN, 1°5ʹE	6	30–40