(n.) A genus of bats including some of the common small insectivorous species of North America and Europe.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). vespertilio. Retrieved September 23, 2026, from http://smartdefine.org/vespertilio/definitions/2079425 |
| Chicago | Webster's. 2011. "vespertilio" http://smartdefine.org/vespertilio/definitions/2079425 (accessed September 23, 2026). |
| Harvard | Webster's 2011, vespertilio, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/vespertilio/definitions/2079425>. |
| MLA | Webster's. "vespertilio" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/vespertilio/definitions/2079425> |