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Discussion Area °Q½×°Ï >> General ¤@¯ë°ÝÃD >> Parental Bias¡@³¥³¾¤÷¥À¤]·|°¾¤ß
(Message started by: Webcreeper on May 14th, 2006, 4:05pm)

Title: Parental Bias¡@³¥³¾¤÷¥À¤]·|°¾¤ß
Post by Webcreeper on May 14th, 2006, 4:05pm
13/5/06 New Scientist ­^°ê¡m·s¬ì¾Ç®a¡nÂø»x

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Songbirds listen out for half their brood (http://www.newscientist.com/article/mg19025515.800.html)
 
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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