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Hernan Riverol: American Robin
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Hernan Riverol: Ruff (Calidris pugnax)
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Hernan Riverol: American Wigeon (Mareca americana)
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Hernan Riverol: Tufted Duck (Aythya fuligula)
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Hernan Riverol: Greater Scaup (Aythya marila)
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Hernan Riverol: Tufted Duck