Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood (2015) The eBird/Clements checklist of birds of the world: Version 2015 http://www.birds.cornell.edu/clementschecklist/download, läst 2016-02-11
doi.org
dx.doi.org
Del Rincon; Amanda Garcia; Esperanza S. Ferrer; Hicham Fathi; Vicente García-Navas (2013). ”Mating Strategies, Parental Investment and Mutual Ornamentation in Iberian Rock Sparrows (Petronia petronia)”. Behaviour 150 (14): sid. 1641–663. doi:10.1163/1568539x-00003112.
hbw.com
Jobling, J. A. (2016). Key to Scientific Names in Ornithology. Ur del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (red.) (2016). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Hämtad från www.hbw.com.
