Attaching PathTrack GPS tags to Sooty Terns In 2014 Christine and I undertook trials of different attachment methods of attaching GPS loggers to incubating adult Sooty Terns on Bird Island, Seychelles, initially using dummy loggers and subsequently attaching working loggers. Ten dummy tags were made to our specification (and kindly donated free-of-charge) by the manufacturer, … More Investigation of methods of attaching GPS loggers to Sooty Terns