single middle american indigo snake - latin drymarchon couperi or drymarchon melanurus - known also as blacktail cribo natively

alone america american black brown captivity central color colorful couperi drymarchon ecology exterior fauna gad gady history indigo life melanurus mexico middle mosaic natural nature neck nonvenomous one outdoor outside pattern reptile scale scales serpentes single snake south spots spotted states tail travel tropical united usa vivid waz wild wildlife zoo zoological zoology