The following IUCN SSC Bat Specialist Group document recently crossed DCA's inbox. I don't think I have seen anything on the forum relating to it, so we thought it was worth posting.

Full details of the problem and specific advice for cavers can be downloaded from https://www.iucnbsg.org/uploads/6/5/0/9/6509077/map_recommendations_for_cavers_22_aug_2020.pdf