[Tweeters] Possible... Eurasian Siskin in Vancouver, WA
jkozma at charter.net
Fri Feb 25 21:33:46 PST 2005
Looking at pics of Eurasian Siskin on the internet, this bird in question appears to be a nicely plumaged Pine Siskin, not a Eurasian. The aggressive display you describe is common with Pine Siskins at feeders, at least in my experience. American Goldfinches also do this, but to a lesser degree.
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