Archive for February, 2009

Winter Finches

This winter southern MN has seen an irruption (increase in number) of three winter finches: Pine Siskins, Common Redpolls, and White-winged Crossbills. These species breed mostly in Canada and can be found in winter as far south as Duluth most years.  Some winters, however, food sources up north become scarce, causing the birds to venture […]