>From the 5th ed. of the ABA checklist (* means specimen): --

Eurasian Kestrel (Falco tinnunculus)

[snip] three spring and five fall migrants have been found in the w
Aleutian Is. and the Bering Sea, AK; and one (*) was at Alkali Lake, BC, 10
December 1946 (Godfrey 1986).
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P W (Bill) Smith
Grays Harbor, Washington USA
birdman at techline.com