Mammals can be found on all continents, in all oceans, and on many oceanic islands of the world. (Nowak, 1991; Vaughan, Ryan, and Czaplewski, 2000)
Biogeographic Regions: Nearctic; Nearctic :: Introduced; Nearctic :: Native; Palearctic; Palearctic :: Introduced; Palearctic :: Native; Oriental; Oriental :: Introduced; Oriental :: Native; Ethiopian; Ethiopian :: Introduced; Ethiopian :: Native; Neotropical; Neotropical :: Introduced; Neotropical :: Native; Australian; Australian :: Introduced; Australian :: Native; Antarctica; Antarctica :: Native; Oceanic Islands; Oceanic Islands :: Introduced; Oceanic Islands :: Native; Arctic Ocean; Arctic Ocean :: Native; Indian Ocean; Indian Ocean :: Native; Atlantic Ocean; Atlantic Ocean :: Native; Pacific Ocean; Pacific Ocean :: Native; Mediterranean Sea; Mediterranean Sea :: Native
Other Geographic Terms: Cosmopolitan
- Nowak, R. 1991. Walker's Mammals of the World. Baltimore: Johns Hopkins University Press.
- Vaughan, T., J. Ryan, N. Czaplewski. 2000. Mammalogy, 4th Edition. Toronto: Brooks Cole.