Erythrolamprus viridis Günther, 1862 “Cobra-verde”

(Figs. 15.4 and 28.1)

Caatinga endemic species. It is distributed in all states in the Caatinga. Most records are in low altitudes, with a few exceeding 500 m elevation in mountain ranges of the Ceará State. It inhabits all kinds of Caatinga vegetation. The species has terrestrial habits, is diurnal, and feeds on frogs (Vanzolini et al. 1980; Guedes 2006).