Beaver
From UnReal World Wiki
Beavers are a source of valuable fur. Each beaver also gives around 5 to 7 cuts of meat. Beavers are a form of small game, and are not aggressive. They often are found in pairs.
URW Game Encyclopedia description
The official URW in-game encyclopedia (accessed by the F1 key) describes the beaver thusly:
The beaver's length is about 75 cm and weight about 10 kg. It lives in small lakes and ponds. It is mainly hunted for its brown fur.