Brown rat - gkazan/ZAWA GitHub Wiki
Brown rats are small rodents. Brown rats are invasive worldwide, but are native to Eastern Asia. Wild rats are eaten by most other carnivorous animals in the mod. Rats will attack the player when provoked.
Summary
Rats are tamed with Canine Kibble and bred with Canine Vials.
Rats are considered active.
Spawning
Without additional mods installed, rats will spawn in all biomes. They spawn in groups of 2-5.
With other biome mods installed, rats will spawn everywhere in the overworld.
Care
Tamed rats can use the Brush, Ball and Tire Swing enrichments.
Rats eat an Omnivore-type diet.
Variants
Rats have one natural spawning variant, as well as an easter egg.
Drops
When killed, rats will drop a Raw Rat. They are a good food source for large and small carnivores.