Nested species- rich networks of scavenging vertebrates support high levels of interspecific competition - Sebastián-González, Esther; Moleón, Marcos; Gibert, Jean P; Botella, Francisco; Mateo-Tomás, Patricia; Olea, Pedro P; Guimarães Jr., Paulo R; Sánchez-Zapata, José A (Ecology, 2016)