Related Clues:
- Groups of animals, to biologists
- Blood vessel
- Felis, canis, etc
- Taxonomic groups
- Family subcategories
- Biology classes?
- Biology classes
- Family subgroups
- Family divisions
- Are they kind enough to be in command when getting to fifty?
- Are they kind of a green mixture?
- They're kind of needing another fifty for the commander
- They're kind to the pouond when in charge
- They could be kind enough to be in command half a century over
- They're kind of a green