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They are not all there in all photos; there were actually 13! And they all more or less fit under mum's wings.

where is papa then?
hmm.. hanging in the pond with his mates I suppose?
I saw just males on the bank of the mere yesterday
12 of them and just two females
the rest must be brooding

There are quite a few spots here where there are many more males than females, even when you count the ones sitting on eggs. The males don't always behave very well, let's say.