The Santa Maria goldcrest, ''Regulus regulus sanctaemariae'', Estrelinha-de-poupa in Portuguese, is a very small

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped') which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their ...

bird in the

kinglet A kinglet is a small bird in the family Regulidae. Species in this family were formerly classified with the Old World warblers. "Regulidae" is derived from the Latin word ''regulus'' for "petty king" or prince, and refers to the coloured crowns ...

family. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Santa Maria Island Santa Maria (; Portuguese language, Potuguese and Spanish language, Spanish for 'Saint Mary') is an island in the Eastern Group, Azores, eastern group of the Azores archipelago (south of the island of São Miguel Island, São Miguel) and the sou ...

in the

Azores The Azores ( , , ; , ), officially the Autonomous Region of the Azores (), is one of the two autonomous regions of Portugal (along with Madeira). It is an archipelago composed of nine volcanic islands in the Macaronesia region of the North Atl ...

archipelago An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands. An archipelago may be in an ocean, a sea, or a smaller body of water. Example archipelagos include the Aegean Islands (the o ...

in the North

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

where it is a non-migratory resident.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): 23-3

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References

Regulus (bird), Santa Maria goldcrest Birds of the Azores Endemic fauna of the Azores Santa Maria goldcrest {{passeri-stub