Hi, Here is a current and well-done article on the boreal irruption. http://ebird.org/content/ebird/news/Irruption2007Nov.html Good birding, Khanh Tran (Portland, Oregon) -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.oregonstate.edu/mailman/private/obol/attachments/20071208/fceeb1f4/attachment.htm