Parastrellus hesperus (canyon bat, western pipistrelle)
| Class | Mammalia |
| Order | Chiroptera |
| Family | Vespertilionidae |
| Genus | Parastrellus |
| Species | Parastrellus hesperus |
| Common | canyon bat, western pipistrelle |
| Diet | Insectivore |
| Habitat | Cliff face and canyons, desert scrub to grassland |
| Description | Tiny bat, smallest in western North America. Black face mask with yellow grey brown body color. Tragus blunt, rounded. Calcar keeled. |
| Skull Characteristics | Small skull length <11 mm; rostrum narrower than braincase but proportionally wider than Myotis; 2 upper incisors. Vespertilionidae family lower incisors are trifid. |
| Notes | Suborder Microchiroptera. Old name Pipistrellus hesperus is still common.
Links to more species information: Smithsonian Animal Diversity Web |