Carduelis

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)