Reader Dan Laakso who owns a cabin on Lake Washburn near Outing, Minnesota, sent this photo of a Common Loon being attack by Black Flies. (See Wednesday birding column, Variety section, Home and Garden pages for story.) Dan says the loon was driven from its nest, presumably by the flies. The nest was abandoned on May 18. And this was last year, the problem even worse this year.

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Black flies and Osprey

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Banding Osprey