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Jon Cormorant: Double-crested Cormorant (1st-spring)
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Jon Cormorant: Double-crested Cormorant (Non-breeding Adult)
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Jon Cormorant: Double-crested Cormorant (Adult non-breeding)
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Jon Cormorant: Double-crested Cormorant (Adult Non-breeding)
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Jon Cormorant: Double-crested Cormorant
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Jon Cormorant: Double-crested Cormorant ("Dark-crested" Breeding adult)
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Jon Cormorant: Double-crest on Double-skis