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

comparison of wing and tail configuration1

1 According to Hartmann (2000a, 2000b and 2016)