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 |
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Format: | Magazinearticle |
Sprache: | eng |
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Online-Zugang: | Volltext |
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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. |
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ISSN: | 0028-0712 |