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The analysis of variance egg volume of Common pochard (\kur{Aythya ferina}) and Tufted ducks (\kur{Aythya fuligula})
BAŽANT, Miroslav
I investigated differences in egg volumes for two common species diving ducks ? Common pochard (Aythya ferina) and Tufted ducks (Aythya fuligula). I tested selected reproductive and environmental factors with potential influence on egg volume and sex of embryo in clutches. Further, I examined egg volume in connection with the nest parasitism and compared parasitic and non-parasitic eggs in context of egg volume. I also estimated rate of nest parasitism in studied ducks population.

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