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Department of Vertebrate Zoology

Division of Birds

Labrador Duck
Labrador Duck
Christina Gebhard © Smithsonian Institution
Foster, Mercedes S. and Johnson, Ned K. 2017. The Annual Cycle and Natural History of a Subtropical Atlantic Forest Avifauna in Paraguay. Smithsonian Contributions to Zoology, 648: 2-83. doi:10.5479/si.19436696.648

Foster, Mercedes S. 2014. Can fruit pulp meet the calcium needs of tropical frugivorous passerines during reproduction?. Journal of Tropical Ecology, 30: 79-88. doi:10.1017/S0266467413000643

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