Diversity, natural history, and geographic distribution of snakes in the Caatinga, Northeastern Brazil Author Guedes, Thaís B. Author Nogueira, Cristiano Author Marques, Otavio A. V. text Zootaxa 2014 3863 1 1 93 journal article 10.11646/zootaxa.3863.1.1 994b97ae-8a03-4726-86f7-ce51e39578a4 1175-5326 287111 A683CABE-4305-47A4-A063-03FDF93182C0 Erythrolamprus poecilogyrus (Wied, 1825) “Casco-de-burro” (Figs. 15.2 and 27.4) Occurs in all portions of the Caatinga and is abundant in all phytophysiognomies of the domain. It can be found in low and high altitude areas (up to 1,100 m elevation). It is also widely distributed in the Atlantic Forest, Cerrado, and Pantanal ( Marques et al. 2001 , 2005 ; Nogueira et al . 2010 ). It is widespread in open and forested areas including savanna grasslands and riparian or dry forests ( Marques et al . 2001 , 2005 ; Sawaya et al. 2008 ; Nogueira et al . 2010 , 2011). It has semi-aquatic habits, is diurnal and nocturnal, and feeds on frogs ( Marques et al. 2001 , 2005 ).