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lb1lb1

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發表於 2011-5-20 19:42 | 顯示全部帖子
maybe stress mark?
how long has the bird been in your home?

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lb1lb1

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2#
發表於 2011-5-20 22:14 | 顯示全部帖子
8# louisa20047


could be it is stressful at old place (usually the breeding place aren't very good condition) and it has some stress mark
u don't have to worry if it doesn't appear on the new feathers

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