Sunday, 29 November 2015

Østensjøvannet and hybrid duck

Here are some pictures from Østensjøvannet from Thursday including more of the hybrid Eurasian Wigeon x Mallard.

hybrid Eurasian Wigeon x Mallard


And a female Pintail (stjertand)

a selction of wildfowl with the escaped female Ruddy Shelduck, Mallard, Coot, Barnacle Goose and a hybrid Canadad x Greylag Goose

Also some Mallard pictures
the yellow bill shows this to be a male Mallard as do the few grey feathers but the lack of other male plumage is probably a result of some hormonal imbalance

the dark bill od this female had me at first considering a Pintail influence but I see nothing else to suggest that

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