A semiaquatic mammal of the castor genus. The largest rodent in the Old World and the second largest rodent in the world after the capybara. A beaver is a large rodent adapted to a semiaquatic lifestyle. Its body reaches 1–1.3 m long, its shoulder height is up to 35.5 cm and it weighs up to 30–32 kg.
- Individual ambush hunting or stalk hunting;
- the hunt is held over 1 day, an additional hunt is possible with hunting for prey in several places during the day.