Tag: diamondback water snake

by M. Kathy Raines             Relax, it’s not a cottonmouth. Those venomous water snakes, you’ll be pleased to know, live no further south than Corpus Christi.  No, that long, thick, brownish snake swimming in or basking along a Rio Grande Valley resaca is likely one of our benign and quite plentiful diamondback water snakes (Nerodia…