Alonso, Juan C.; Magaña, Marina; Alonso, Javier A.; Palacín, Carlos; Martín, Carlos A.; Martín, Beatriz (2009). "The Most Extreme Sexual Size Dimorphism among Birds: Allometry, Selection, and Early Juvenile Development in the Great Bustard (Otis tarda)" [1].
greatbustard.org
(en-GB) « History », sur Great Bustard Group (consulté le )
