Bird watchers throughout Delaware have had their eyes fixed on their feeders…many of the finches that normally spend the winter far to our north flood south in large numbers in search of food…The most obvious invader has been the Pine Siskin (Carduelis pinus), a small streaky brown bird closely related to the familiar American Goldfinch. Flocks of over 50 of these twinkling, feisty finches have been reported at feeders throughout our state…