White-bellied native mouse; the one you've heard in the walls. Carries hantavirus — keep it out of enclosed spaces, and clean droppings damp, never dry-swept, so you don't aerosolize them.
Key
Common — you'll see these
Nocturnal — active after dark
Nuisance — gear, wiring, structures, or plantings
Disease risk — hantavirus / rabies vector
← Mammals