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   Parental Bias 野鳥父母也會偏心
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Parental Bias 野鳥父母也會偏心
« on: May 14th, 2006, 4:05pm »
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13/5/06 New Scientist 英國《新科學家》雜誌
 
荷蘭科學家發現,赭 【音「者」】紅尾鴝父母對巢中的兒女各有偏愛,而爸爸則較懶惰,大多只集中餵 其中一隻雛鳥。
 
 
Songbirds listen out for half their brood
   
EVEN songbirds have their favourite offspring. Black redstarts can identify their chicks from differences in their pleas for food, enabling the parents to split the work of feeding the entire brood.
 
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