Cover: Lappet‐faced ( Torgos tracheliotus ), Rüppell's ( Gyps rueppellii ), and White‐backed ( Gyps africanus ) Vultures feeding on the carcass of a Grant's gazelle ( Gazella granti ) recently killed by a cheetah ( Acinonyx jubatus ) at Ol Pejeta Conservancy, Laikipia, Kenya (October 2010). Vultures (Accipitridae and Cathartidae) are the only known obligate scavengers. On pages 453‐460, Ogada et al. present evidence that effects of decreases in abundances of vultures may include longer persistence of carcasses and increasing abundance of and contact among facultative scavengers at these carcasses. Such changes could increase rates of transmission of infectious diseases among mammalian carnivores, with carcasses serving as hubs of infection. Cover image © 2012 Tui De Roy. Photographer: Tui De Roy ( http://www.tuideroy.com ) is a f
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