Pine Siskin - 'green morph', Gill, Franklin Co., MA. Three shots taken on January 5th, 2011. Images taken using Panasonic Lumix DMC-FZ40 through living room window. The shots below were taken on January 4th.
Pine Siskin - 'green morph', Gill, Franklin Co., MA. January 4th, 2011. Images taken using Panasonic Lumix DMC-FZ40 through living room window.The variation in Pine Siskins visiting the yard over the last month has just been incredible. Aside from ranging from dark, brownish and heavily streaked birds to paler, grayer more lightly streaked types with many intermediates, quite a few green morphs continue to show up at the feeders. Over the last few days I took some better images of this bird which shows at least some resemblance to a female Eurasian Siskin (Carduelis spinus). It's a really bright, interesting bird, but even so I'm sure the undertail coverts (yellow in green morph Pine and white in female Eurasian) point to this bird being a Pine Siskin over Eurasian. In addition, I believe female Eurasian Siskin would show a lot more yellow on the rump. For comparison, I found a nice of Eurasian Siskin images by Nicole Bouglouan here;
Despite the huge variation in the birds visiting our feeder, my assumption (perhaps incorrect) is that all of the these birds are of the nominate form (C. p. pinus) breeding primarily from Saskatchewan east to Newfoundland.
JPS
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