Una Familia De Castores Norteamericanos, Castor Canadensis, Aseo Y Limpieza En El Agua Cerca De La Orilla En El Famoso Sendero Beaver Pond En El Parque Provincial Algonquin, Ontario, Canadá

north american beaver castor canadensis america animal fauna nature water natural habitat wild wildlife species mammal rodent large family algonquin provincial park ontario canada wetland river lake lakeside riverside bank stream scratch fur shore pond dam environment trail ecology clean claw groom tail wash itch brown aquatic kit castoridae