©
Daniel J. Field: Common Loon (Gavia immer), Long Island Sound, Connecticut
©
Daniel J. Field: Red-throated Loon (Gavia stellata), Cley, Norfolk, United Kingdom
©
Daniel J. Field: Common Loon (Gavia immer), Grafham Water, Cambridgeshire, United Kingdom
©
Daniel J. Field: Common Loon (Gavia immer), near Stamford, Connecticut, United States