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Gadwall and "sunken" bufflehead - females or juveniles?

Posted: Jan 07 8:43 pm
by FYLegend
Is this Gadwall a female or juvenile? It seemed smaller than the others and was constantly picked on by the adult males. It also wasn't paired up like the other birds. I am not sure but I think the wings seem to contain a bit more black and red than a typical female.
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Gadwall fight by Frank Lin, on Flickr

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Gadwall, juvenile by Frank Lin, on Flickr

There's also a "female" bufflehead at this pond who constantly swims around partly sunken in. I was told this might be a type of courtship behaviour although there are no males around (about 3-4 other females here). The white cheek patch seems to be slightly larger than the other birds.
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Bufflehead - Female by Frank Lin, on Flickr

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