Besides its dense fur, which is waterproofed with oil, the beaver also has a layer of subcutaneous fat that provides it with insulation in the coldest water.
ونظرا الى اهمية دور الماء في حياة القنادس ،‏ فهي لا تعيش بعيدا عن البحيرات ومجاري المياه .‏