Refine results
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Cygnus atratus x olor – Black x Mute Swan non-native
Species hybrid, Bird, Freshwater
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Tadorna ferruginea x tadorna non-native
Species hybrid, Bird, Freshwater, terrestrial
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Aythya fuligula x nyroca – Tufted x Ferruginous Duck
Species hybrid, Bird, Freshwater
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Anas crecca x carolinensis – Eurasian x Green-winged Teal
Species hybrid, Bird, Freshwater
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Mareca strepera x Anas platyrhynchos – Gadwall x Mallard
Species hybrid, Bird, Freshwater
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Branta leucopsis x canadensis – Barnacle x Canada Goose
Species hybrid, Bird, Freshwater
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Larus argentatus x cachinnans – Herring x Caspian Gull
Species hybrid, Bird, Freshwater, marine, terrestrial
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Larus fuscus x argentatus – Lesser Black-backed x Herring Gull
Species hybrid, Bird, Freshwater, marine, terrestrial
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