Caption:
Naumann Naturgeschichte der Vögel Mitteleuropas v.12 Gera-Untermhaus F.E. Köhler 1897-1905 v.1 1905 birds Europe, Three distinct species of aquatic birds are depicted, swimming gracefully in a serene environment characterized by gentle ripples and rocky formations beneath the water's surface. The first bird, Gavia arctica, prominently features a darker plumage with a sleek build, showcasing its adaptability to colder aquatic habitats. The second bird, Gavia torquata, displays a slightly lighter coloration, with distinctive markings that hint at its unique habitat preferences. The third bird, Gavia lumme, exhibits a more subdued tone, its profile hinting at a methodical approach to hunting underwater.