Fabrizio Sergio and Vincenzo Penteriani. 2005. Public information and territory establishment in a loosely colonial raptor. Ecology 86:340–346.

Appendix B. A figure showing breeding performance since first year of territory occupation.

FIG. B1. Progressive increase in mean breeding performance at 20 Black Kite territories checked for all the first four years of territory occupation (Italian pre-Alps, 1992–2003).