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Adelie penguin
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BIRDS
BODY CONDITION
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Behavioral Sciences
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EUDYPTULA-MINOR
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EVOLUTION
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Ecstatic Display Call
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FEMALE CHOICE
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INDIVIDUAL RECOGNITION
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Life Sciences & Biomedicine
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MALE QUALITY
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PYGOSCELIS-ADELIAE
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SIGNALS
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SIZE
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Science & Technology
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Zoology
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honest signal
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male condition
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mate choice
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