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Jon Cormorant: Gull-billed Tern (Adult breeding perched)
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Jon Cormorant: Gull-billed Tern (Adult breeding)
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Jon Cormorant: Gull-billed Tern (Juvenile)
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Jon Cormorant: Gull-billed Tern (Adult breeding)
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Jon Cormorant: Gull-billed Tern (Adult Breeding)
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Jon Cormorant: Gull-billed Tern (Non-breeding Adult)