Temperature-sensitive datalogger deployment and retrieval (bat recapture) data, by study year, hibernacula site number (see Fig. 1), and sex for the 504 loggers deployed.

<p>Whether data were successfully downloaded from the logger and ultimately used in the analyses of this paper, are also described.</p>*<p># of males/# of females and date of deployment or retrieval of loggers.</p>**<p>bats were occasionally excluded from analyses due to incomplete data (e.g., BMI not recorded) or problems with downloaded data.</p>+<p>loggers only deployed mid-winter (January-March) as opposed to the full-hibernation season (November-March).