There were a couple by ft sask last year. I never got a picture of them but did see them, if I remember correctly someone here posted a pic of them. Seen a few by Camrose over the years as well, so they definitely wander.
I saw one near Josephburg (Fort Saskatchewan area) last summer. I sent the pics to F&W, and a biologist got back to me saying that it is definitely abnormal for them to be that far north, but not unheard of.
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To much oil money, never enough booze...