Collected in 1977 in Tam Dao National park, the snake was initially catalogued as Rhabdophis subminiatus. In 2000, it was identified as Rhabdophis nuchalis and a year later, recategorized again as ...

Flowing through sandstone bluffs, cottonwood bottoms, and wide floodplains, the Red River of the South winds hundreds of miles along the Texas-Oklahoma border before joining the Mississippi system.