However, in some areas, these kinds of as landlocked locations of North America, wintering bald eagles may perhaps develop into recurring predators of medium-sized mammals that take place in colonies or local concentrations, this kind of as prairie pet dogs (Cynomys sp.) and jackrabbits (Lepus sp.). Showley, Roger (May 9, 2010). "Realty Revival". Tofel, Kevin (May 2, 2015).