On Mon, 6 May 1996 00:01:11 PDT, tweeters at u.washington.edu wrote:

>I would have to concur, based upon Purple Finches banded in Clatsop Co.
>OR. The better keys to Cassin's/Purple identification are the degree
>of contrast to the streaking on the back and bill shape, both of which
>are also very qualitative in the field.

The absolute best key is the call notes and/or the song of the male.
Completely different and quite reliable once learned.

- Jack


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*Jack Bowling *
*Prince George, BC *
*jcbowling at mindlink.bc.ca *
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