This was a small snake with a diameter comparable to the diameter of a pencil. When I first saw the snake, it was emerging from a hole in the ground that had a diameter about equal to the diameter of the snake.
Found while crossing dirt road
En Paco´s Reserva Natural de Flora y Fauna Silvestre
Mortally wounded on the highway.
Encontrada en bosque de Juniperus
As seen when flipped a block of wood
Hypsiglena torquata, commonly known as the night snake, is a species of rear-fanged, colubrid. It is found throughout the southwestern and western United States, as well as in Mexico and British Columbia, Canada. The number of subspecies varies depending on the source, but it is generally accepted that there are 17.