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Haeromys pusillus
Diet
Fruit, seeds, insects (presumed, typical for the genus)
Habitat
Lowland forest
Range
Borneo, Philippines (Palawan)
Litter size
Poorly documented (typical for the genus)
Gestation period
Unrecorded in the wild
Size
Very small (head-body ~5–6cm)
Weight
~8–12g
One of the smallest arboreal mice in the region, found in Bornean lowland forest as well as Palawan in the Philippines, with a delicate build adapted to climbing fine vegetation.
Presumed nocturnal and arboreal like its close relative, the Margaretta's ranee mouse, though direct field observations of either species remain scarce.