Mustela lutreolina
Diet
Carnivorous, adapted to eating rodents
Habitat
Tropical montane rainforest above 1,000m
Range
Java and Sumatra
Size
Body 280–300mm; tail 130–150mm
The Indonesian mountain weasel lives on Java and Sumatra at montane elevations above 1,000 m in tropical rainforest. It is reddish-brown, with a body length of 280–300 mm and a tail of 130–150 mm (Wikipedia, general species account).
It is carnivorous and especially adapted to eating rodents, and can kill prey much larger than itself thanks to its speed and agility (Wikipedia, general species account).