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Mus castaneus
Basic stats
Diet
Grain, seeds, human food waste, invertebrates
Habitat
Around human habitation, cultivated land
Range
Southeast Asia, including Borneo
Litter size
4–8 young (typical for Mus)
Gestation period
About 19–21 days (typical for Mus)
Size
Small (head-body 6–9cm)
Weight
10–20g
A close relative of the familiar house mouse, closely tied to human settlement and cultivated land across Southeast Asia rather than natural forest habitat.
Nocturnal and highly commensal, feeding opportunistically on grain, seeds and food waste. Most likely encountered around villages, farms and lodges rather than on forest trails.
