Other Common Names: Clibo or cribo noir, Yellow-tailed cribo.Size. 3 m TL.Diagnosis.The only Trinidad and Tobago snake with 17 scale rows at mid-body; scales have apical pits (difficult to see without magnification) a grey-brown dorsum that lightens posteriorly (yellow tail), ventrals about 195, subcaudals about 78; scales on the crown outlined in dark pigment and the labial seams outlined with brown; venter yellow. Distribution. A widespread species found from the southern United States southward through Mexico, Central America, and southward to Argentina. On Trinidad and Tobago is is associated with forests but uncommon.Life History. A diurnal, forest snake.Diet includes virtually any vertebrate that can be overpowered and many invertebrates.Reproduction:Females reportedly produce clutches of 9–12 eggs.