Brought this over for ,'Basil Cat'
https://community.rspb.org.uk/wildlife/f/all-creatures/216247/lost-bracelet-rspb-loch-garten/1317813#1317813
In the hope someone may have further ideas to assist.
Re Catlady and Basil Cat
https://community.rspb.org.uk/placestovisit/lochgartenospreys/f/loch-garten-ospreys/206777/balgavies-loch-ospreys-2020/1317837#1317837