Spilotes pullatus, commonly known as the caninana, chicken snake, yellow rat snake, or serpiente tigre, is a species of large nonvenomous colubrid snake endemic to Mesoamerica.
(Wikipedia)
Pseudelaphe is a genus of snake in the Colubridae family that contains the sole species Pseudelaphe flavirufa. It is commonly known as the Mexican short-tail snake.
(Wikipedia)