Journal of Raptor Research
"Non-kin infanticide, the killing of dependent young by unrelated conspecifics, occurs in a wide array of taxonomic groups including mammals, insects, fish, and birds (Hrdy 1979, Hrdy and Hausfater 1984). Several hypotheses have been proposed to explain this behavior including the removal of potential competitors to gain access to limited resources such as nesting territories and food (Hrdy 1979)..."
Markham, A. C. and Watts, B. D., Documentation of Infanticide and Cannibalism in Bald Eagles (2007). Journal of Raptor Research, 41(1), 41-44.