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Filling the Gap Left By DeBooy’s Rail

10,000 Birds

Guam Rail Gallirallus owstoni. Photo copyright The Smithsonian’s National Zoo, taken from the Guam Rail page. . The Guam Rail Gallirallus owstoni is, as most of you will know and the remainder will have guessed, native to Guam… in the South Pacific… a long, long way from Puerto Rico and the V.I.