Gonçalo Elias
avesdeportugal.info
Currently treated as monotypic by most (all?) authorities. However, Bannerman & Bannerman (1965) on the volume about Madeira refer to the local birds as Serinus canarius canarius. This suggests that some subspecies have been described in the past.
I would appreciate any additional information / details concerning those former subspecies.
I would appreciate any additional information / details concerning those former subspecies.