Sax-Zim bog (Duluth) and Chicago
Duluth and Chicago, Jan 18th - 24th The only previous time I birded Sax-Zim bog in winter was in December 2004 - an invasion year for Great Gray Owl. Sax-Zim is also a good location for winter finches, so an obvious if frigid destination for winter. I tacked on some Chicago birding for introduced species (European Goldfinch and Eurasian Tree Sparrow). Nine year birds in IL/WI and ten year birds in MN. This turned out to be somewhat of a fight with the weather - the day after I landed in Chicago a cold front with 6 F highs and 20 mph winds was forecast, so after a half-day of failing to find Euro Goldfinch I drove south to Peoria, which had slightly better conditions (12 F, 15 mph). First stop was south-east of Peoria at Mackinaw River SFWA where there had been a report of 100 Eurasian Tree Sparrows in one flock. The flock I found had at least 100 birds, but most were American Tree Sparrows and it took quite a while to find Eurasian Tree Sparrow...