Predation of Ameivula ocellifera (Squamata, Teiidae) by Oxybelis aeneus (Squamata, Colubridae), in the Caatinga, Northeastern Brazil, including a list of saurophagy by this snake - Natallia Vivian; Anna Virginia Albano de Mello; Patricia Marques do A. Oliveira; José Henrique de Andrade Lima; Lucas Rodrigues de Castro Ribeiro; Pedro Ivo Simões (Heringeriana, 2021)