Bat Species of Washington State

Washington hosts 15 bat species:

• Hoary Bat (Lasiurus cinereus)
• Silver-haired Bat (Lasionycteris noctivagans)
• Eastern Red Bat (Lasiurus borealis)
• Big Brown Bat (Eptesicus fuscus)
• Little Brown Bat (Myotis lucifugus)
• Yuma Myotis (Myotis yumanensis)
• California Myotis (Myotis californicus)
• Long-eared Myotis (Myotis evotis)
• Long-legged Myotis (Myotis volans)
• Fringed Myotis (Myotis thysanodes)
• Townsend's Big-eared Bat (Corynorhinus townsendii)
• Western Small-footed Myotis (Myotis ciliolabrum)
• Keen's Myotis (Myotis keenii)

All are insectivorous; several are state/federal species of concern. Bats provide critical pest control.