 In addition to the hoary bat ("Lasiurus cinereus") and eastern red bat ("Lasiurus borealis"), the silver-haired bat is one of the three tree bat species most commonly killed at wind energy facilities (over 75% of the mortalities).The causative agent of white-nose syndrome, "Pseudogymnoascus destructans", has been detected on a silver-haired bat in Delaware, although this species does not suffer the same mass mortalities observed in smaller-bodied hibernating North American cave bats.Like all bats, silver-haired bats are vulnerable to population threats because of their inherently low reproductive rate.