Attributes / relations provided by
♦ ¹The diet of the Lanner (Falco biarmicus) in a hyper-arid region of the eastern Sahara, Goodman S. M., Haynes C. V., Journal of arid environments, 1992, vol. 22, no1, pp. 93-98
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.