Santa Maria goldcrest

The Santa Maria goldcrest, Regulus regulus sanctaemariae, Estrelinha-de-poupa in Portuguese, is a very small passerine bird in the kinglet family. It is endemic to Santa Maria Island in the Azores archipelago in the North Atlantic Ocean where it is a non-migratory resident.^[2]

Santa Maria goldcrest
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Regulidae
Genus:	Regulus
Species:	R. regulus
Subspecies:	R. r. sanctaemariae
Trinomial name
Regulus regulus sanctaemariae Vaurie, 1954[1]

References

1. Vaurie, Charles. (1954). Systematic notes on Palearctic birds. No. 8, Sylviinae, the genus Regulus. American Museum Novitates 1684.
2. Päckert, Martin; & Martens, Jochen. (2004). Song dialects on the Atlantic islands: goldcrests of the Azores (Regulus regulus azoricus, R. r. sanctae-mariae, R. r. inermis). Journal of Ornithology 145(1): 23-30.