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Gadwall and "sunken" bufflehead - females or juveniles?
http://birding.bc.ca/community/viewtopic.php?f=1&t=16037
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Author:  FYLegend [ Jan 07 9:43 pm ]
Post subject:  Gadwall and "sunken" bufflehead - females or juveniles?

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.
Image

Gadwall fight by Frank Lin, on Flickr

Image

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.
Image

Bufflehead - Female by Frank Lin, on Flickr

Image

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