FOWL CALLS

FOWL CALLS

Not all fowl calls are created equal. One distinctive sound, uttered by female chickens only after egg laying and predictably named the postoviposition cackle, has long been something of a mystery to scientists. Since the loud cackle can alert potential predators to a freshly laid egg, evolutionary...

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Veröffentlicht in:Natural history 2001-09, Vol.110 (7), p.26-26
1. Verfasser: Weir, Kirsten L
Format: Magazinearticle
Sprache:eng
Schlagworte:
Animal behavior
Animal communication
Animal reproduction
Biologists
Birds
Birkhead, Tim
Chickens
Pizzari, Tommaso
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Beschreibung
Zusammenfassung:Not all fowl calls are created equal. One distinctive sound, uttered by female chickens only after egg laying and predictably named the postoviposition cackle, has long been something of a mystery to scientists. Since the loud cackle can alert potential predators to a freshly laid egg, evolutionary biologists assume the call must have a benefit outweighing the risk.
ISSN:0028-0712