Carduelis

trivial name latin name
Black-capped siskin Carduelis atriceps
Black-chinned Siskin Carduelis barbata
European Goldfinch Carduelis carduelis
Citril Finch Carduelis citrinella
Red Siskin Carduelis cucullata
American Goldfinch Carduelis tristis
Yellow-bellied Siskin Carduelis xanthogastra

comparison of wing and tail configuration