Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Temporal and Spatial Variation in the Diet of the Endemic Lizard Gallotia galloti in an Insular Mediterranean Scrubland, Airam Rodríguez, Manuel Nogales, Beatriz Rumeu, and Beneharo Rodríguez, Journal of Herpetology, Vol. 42, No. 2, pp. 213–222, 2008