Dear Paul:

True, I felt our bird was a tundrius 1st year as shown in Sibley, but
differences between that and 1st-year anatum are not shown...I was unaware
that tundrius is that scarce here in wWA, so I stand (apparently) corrected.
Someone has also brought to my attention that Cindy's bird was eating a
Snow Goose, whereas ours was atop a small Canada, so it seems we had
different birds, and two different goose kills--on the same day and in close
proximity to the parking lot at Jensen.

Scott Atkinson


>From: "Paul DeBruyn" <paulmdb at hotmail.com>
>Reply-To: paulmdb at hotmail.com
>To: tweeters at u.washington.edu
>Subject: Sibley's tundra peregrine
>Date: Mon, 15 Jan 2001 11:07:52 -0800
>
>I wouldn't be in a hurry to call a peregrine "tundrias" based on the
>drawings in Sibley's book. For one thing anatum is not even shown and many
>of our local (and northern migrant) anatums are quite pale. Tundra
>peregrines generally winter south of the U.S. although there are a few
>records for B.C. and Washington in winter based on banded birds of known
>natal origin. Sibley also shows juvenile peregrines with yellow feet which
>is unusual. Most young peregrines have bluish grey soft parts (cere,
>orbital and feet). A mid sized brown falcon with yellow feet would more
>likely be an adult prairie.
>I've noticed a remarkable increase in the number reports of tundrias since
>the release of Sibley's book. Sub species of raptors often can't be
>distinguished in the field.
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