Goldfinch population increased again, have 2 charms visiting, mostly at different times of day 1st=Yellow wing marks 2nd has Lemon shade & never the twain shall meet. Unfortunately for this female today they did, in her haste to get away from a sever pecking she flew into the window pane & dropped head first into a bramble. She came around after I righted her, 10mins. later she flew off. Although a very handsome bird as well as being extremely territorial they are also very wasteful, for every sunflower seed they eat they drop 5-Contrary too they never touch the niger seed.