Atlas de poche des mammifères de France, de la Suisse romande et de la Belgique Paris, L. Lhomme, 1910, France, Switzerland, Rodent, Belgium, Beaver, Mammals, Eurasian Beaver, Castor Fiber, A detailed illustration of a beaver, prominently showing its robust body and flat, paddle-shaped tail. The creature is positioned near the edge of a serene body of water, surrounded by textured rocks and foliage. This species, known scientifically as *Castor fiber*, is depicted with meticulous attention to its fur and features, highlighting its importance within the family Castoridae. The background features trees, indicating a natural habitat, while the ground is covered with twigs and grasses, suggesting the beaver's foraging activities. The composition also includes labels in French, providing its common and scientific names.