Stock Photo: American Goldfinch (Carduelis tristis) Summer - Prairie / Meadow - Warm morning light on adult male in breeding plumage perched on Canada Thistle (Cirsium arvense) (alien).

Stock Photo: 4179-5748 American Goldfinch  (Carduelis tristis)  Summer - Prairie / Meadow - Warm morning light on adult male in breeding plumage perched on Canada Thistle (Cirsium arvense) (alien).