From Halopedia, the Halo wiki
Grattle-bah shrews are creatures native to the Jiralhanae homeworld, Doisac. The offspring of grattle-bah shrews are called kits and they are known to fight fiercely to protect them in their bunkers.
List of appearances
- Halo: Retribution (First mentioned)
- ^ Troy Denning's Twitter 
- ^ Halo: Retribution, Chapter 27