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David Assmann: Mountain Bluebird
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David Assmann: Adonis Blue Butterfly
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David Assmann: Western Tiger Swallowtail
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David Assmann: Pale Swallowtails
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David Assmann: Cassin's Finch
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David Assmann: Cassin's Finches
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David Assmann: Yuba Pass
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David Assmann: Northern Parula
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David Assmann: Horned Lark
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David Assmann: White-Faced Ibis
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David Assmann: Yellow Headed Blackbird
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David Assmann: Yellow-Headed Blackbird
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David Assmann: Wilson's Phalarope
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David Assmann: Pair of Wilson's Phalaropes
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David Assmann: Mountain Bluebird
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David Assmann: Swainson's Hawk
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David Assmann: Swainson's Hawk