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Diamond Enthusiast

Picture of JerseyTomater
Posted
What birds can detect parasitic eggs left in their nests by their own species ?
 
Posts: 3009 | Location: NJ, USA | Registered: 06-03-02Reply With QuoteEdit or Delete MessageReport This Post
Diamond
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Picture of Jenny Roberts
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Coots, rails ,ostriches and weaverbirds
http://news.nationalgeographic.com/news/2003/04/0402_030402_coots.html

American coots have responded to this threat by learning to recognize eggs that aren't theirs. Lyon found that 43 percent of host pairs rejected at least one parasitic egg before it hatched.



'This ability is unusual among birds. Apart from coots and related rails, only ostriches and weaverbirds can detect parasitic eggs left by their own species. '
 
Posts: 7962 | Location: Hyde.Cheshire. UK | Registered: 10-18-02Reply With QuoteEdit or Delete MessageReport This Post
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