Urmas Looduskalenderissa 7.syyskuuta kirjoitti:Discussion goes well, I see!
About the gender of chicks.
I was in nest too early for to say something about chicks sex, but Ülo went to ring later and he suggest that both chicks are males.
Actually we both did not take feathers for DNA (working in front of thousands of eyes is a bit different as usual), but according to my observation through cam, can support Ülos suggestion.
The data chart about chick development is possible to make also about our camera nests. If anybody wants to work with that, would be great as all data are public in that forum and also it is possible to download the saved streams.
Think, the fledging and departure age depend on food richness brought to chicks. Our camera nests are quite close to fish farms, so there is enough food, but in some other place these results could differ. Such differences we have seen in Black Stork nests.
There was question about Erika and Piret relations - think there is no relations, though we can't confirm that, as no data available.
Tämän arvion perusteella pesällä onkin kaksi koiraspuolista poikasta. Itse olenkin epäillyt, että Aino olisikin uros, Elarhan on selkeämmin koiras.