ecofactbook
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species
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Animalia
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Chordata
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Aves
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Anseriformes
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Anatidae
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Branta
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Branta bernicla
Branta canadensis
Branta hutchinsii
Branta hylobadistes
Branta hypsibata
Branta leucopsis
Branta minuscula
Branta propinqua
Branta ruficollis
Branta sandvicensis
Branta woolfendeni
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Branta bernicla