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Rush, S.A., K. F. Gaines, W. R. Eddleman, & C. J. Conway. 2012. Clapper Rail (Rallus longirostris), version 2.0. In: The Birds of North America Online (ed. A.F. Poole, ed.). Cornell Lab of Ornithology, Ithaca, NY. http://bna.birds.cornell.edu/bna/species/340. doi:10.2173/bna.340
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