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Patrick J. Lynch: Common Tern nest.
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Patrick J. Lynch: Piping egg.
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Patrick J. Lynch: Working its way out of the egg.
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Patrick J. Lynch: Working its way out of the egg.
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Patrick J. Lynch: Working its way out of the egg.
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Patrick J. Lynch: Success.
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Patrick J. Lynch: Newly-hatched Common Tern chick.
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Patrick J. Lynch: About an hour later.
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Patrick J. Lynch: Common Tern chicks at nest.