Single Wilson's & Tennessee Warblers in small wave of eight warbler species, possible Yellow-bellied Flycatcher (calling, but not well) at Milaca Hiking Trails this morning - Nashville Warbler last night in Sherburne Refuge - passerine migration has begun here.
Three White-winged Crossbills (two seen) on the refuge's Blue Hill Trail last night - same (identical) location for these classic wanderers last two weeks - possible nesting? Two Orchard Orioles remain on the Auto Tour as well. Good birding to all! Al Schirmacher Princeton, MN Mille Lacs & Sherburne Counties

