Boiruna sertaneja Zaher, 1996 “Muçurana, cobra-de-leite, cobra-preta”

(Figs. 14.3 and 27.1)

Caatinga endemic species. It has a wide range in the region, recorded in all portions of the Caatinga. Most records located in low altitudes, but it was also present in high altitude areas in Bahia and Ceará states, up to 1,000 m elevation. It inhabits xerophyttic vegetation (Zaher 1996) that includes herbaceous, arboreal and bushy caatinga and cerrado vegetation on highland and contact areas. It has terrestrial habits, is diurnal and nocturnal, and feeds mostly on vertebrates (Zaher 1996; Guedes 2006).