Sperm can definately be retained. Last year I had a female lay a 5 egg clutch. She was paired with a cinnamon pastel and a yellow belly. The babies hatched as pastels and normals. She was bred to a pastel the year before and she did not lay. SO....either sperm was retained or some one went willy nilly with my pairings last year. (I have interrogated every one in the house and I am leaning towards retained sperm)
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