• Perrigo 2009-02-01 7556
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  • Two Long-tailed Ducks present at Kaufer-Hubert Park on Feb 1, 2009
  • Perrigo:Rioselva 2008-12-12 2189
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  • Greater Scaup showing extensive white in primaries
  • Perrigo:Rioselva 2008-12-12 2011
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  • Greater Scaup showing distinct headshape and relatively large "nail" on bill tip.
  • Perrigo:Rioselva 2008-12-12 2101
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  • Head shape comparison of Lesser versus Greater Scaup
  • Perrigo:Rioselva 2008-12-12 1995
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  • Comparison of bill proportions of Greater versus Lesser Scaup
  • Perrigo:Rioselva 2008-12-12 1684
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  • Greater Scaup with conspicuous white extending well into primaries
  • Perrigo:Rioselva 2008-12-12 1920
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  • Lesser Scaup has conspicuos white secondaries contrasting with darker primaries. Greater Scap is in background.
  • Perrigo:Rioselva 2008-12-23 3385
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  • Long-tailed Duck
  • Perrigo:Rioselva 2008-12-23 3363
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  • Long-tailed Duck
  • Perrigo:Rioselva 2008-12-23 3358
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  • Long-tailed Duck
  • Perrigo:Rioselva 2008-12-23 3361
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  • Long-tailed Duck