- Source: List of rodents discovered in the 2000s
- List of rodents discovered in the 2000s
- List of mammals described in the 2000s
- List of Toon In with Me episodes
- List of mammals of Latvia
- List of mammals described in the 21st century
- Ethiopian wolf
- Mumps
- List of mammals of South America
- List of women neuroscientists
- List of Australia-New Guinea species extinct in the Holocene
Several species of rodent have been newly identified in different parts of the world since 2000.