Oxyrhopus trigeminus Duméril, Bibron and Duméril, 1854 “Falsa-coral”

(Figs. 17.1 and 29.3)

It is distributed in all states of the Caatinga. It was recorded in a wide range of areas, from low to high altitudes (sea level to 1,100 m elevation). It is also widespread in the Atlantic Forest, Cerrado, and Pantanal regions (Argôlo 2004; Marques et al. 2005; Nogueira et al. 2010). It is distributed in all phytophysiognomies of the Caatinga, including cerrado enclaves, but is absent from forested habitats. The species has terrestrial habits, is nocturnal, and feeds on mammals and lizards (Marques et al. 2005).