Collar, N.J.; Gonzaga, L.P.; Krabbe, N.; Madroño Nieto, A.; Naranjo, L.G.; Parker, T.A.; Wege, D.C. 1992. Threatened Birds of the Americas: The ICBP/IUCN Red Data Book. International Council for Bird Preservation, Cambridge, U.K.
Olmos, F. 1993. Birds of Serra da Capivara National Park in the caatinga of north-eastern Brazil. Bird Conservation International 3: 21-36.
Ridgely, R. S.; Tudor, G. 1989. The birds of South America. University of Texas Press, Austin, Texas.
Roda, S. A.; Carlos, C. J.; Rodrigues, R. C. 2003. New and noteworthy records for some endemic and threatened birds of the Atlantic forest of north-eastern Brazil. Bulletin of the British Ornithologists' Club 123: 227-236.
Rodríguez, J. P.; Rojas-Suárez, F. 1995. Libro Rojo de la fauna Venezolana. Provita, Caracas.
Rojas-Suárez, F.; Sharpe, C.J. 2015. Jilguero cara amarilla, Sporagra yarrellii. In: Rodríguez, J.P., García-Rawlins, A. and Rojas-Suárez, F. (eds), Libro Rojo de la Fauna Venezolana. Cuarta edición, Provita & Fundación Empresas Polar, Caracas, Venezuela.
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Recommended citation
BirdLife International (2024) Species factsheet: Yellow-faced Siskin Spinus yarrellii. Downloaded from
https://datazone.birdlife.org/species/factsheet/yellow-faced-siskin-spinus-yarrellii on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/11/2024.