Barcelos. L., Rodrigues, P., Bried, J., Mendonça, E.P., Gabriel, R. & Borges, P.A.V. (2015) Birds from the Azores: an updated list with some comments on species distribution. Biodiversity Data Journal, 3, e6604.
An updated checklist of the Birds of the Azores is presented based on information compiled from Rodrigues et al. (2010) and from the websites,Azores Bird Club. (2014), Aves dos Açores (2014), Azores Bird Sightings (2014)and Vittery (2014), since 2010.
The checklist has a total of 414 species, including 38 new species.
Almost half of the species and subspecies that occur in the Azores have a Palearctic origin, the remaining ones being essentialy Nearctic and Holarctic species. São Miguel is the island with the highest number of bird species, followed by Terceira, Corvo and Flores islands.