National wildlife databases contained sparse and sporadic data on winter roosts of western bats. However, a concerted effort by the scientific community has produced one of the largest, most complete dataset of recorded hibernacula in the western United States.

http://www.lakeconews.com/index.php/news/58638-researchers-piece-together-disparate-records-as-disease-closes-in-on-western-bats

Scientists call it Pseudogymnoascus destructans, or Pd. But it’s also known as the flesh-eating fungus that’s been annihilating bat populations across North America. In just over a decade, it has killed off upwards of six million bats.

https://www.nationalgeographic.com/animals/2018/11/white-nose-syndrome-bat-fungus-treatment-animals-news/

Innovative study of fungal disease in bats quantifies unseen interactions that play a key role in the spread of disease through populations and between species.

https://news.ucsc.edu/2018/11/disease-transmission.html