Roger Tory Peterson (American, 1908-1996), “Loons in Flight; Cormorants in Flight”, Common Loon (Gavia immer) in winter and breeding plumage; Red-throated Loon (Gavia stellata) in winter and breeding plumage; Pacific Loon (Gavia pacifica) in winter and breeding plumage; Great Cormorant (Phalacrocorax carbo) immature and adult; Double-crested Cormorant (Phalacrocorax auritus) immature and adult; Anhinga (Anhinga anhinga) adult. Brandt’s Cormorant (Phalacrocorax penicillatus) and Pelagic Cormorant (Phalacrocorax pelagicus), Gouache, watercolor, pencil and ink on board with overlay on paper, c.1990, On loan from the collection of Dr. Michael and Elyn Stubblefield