About Tantilla rubra Cope, 1875
Tantilla rubra, described by Cope in 1875, is a species of snake that has the common names red black-headed snake and Big Bend black-headed snake; it is called la rojilla in Spanish. It belongs to the subfamily Colubrinae within the family Colubridae. This species is native to southern Mexico and western Guatemala. Within its range, Tantilla rubra occurs in the Mexican states of Chiapas, Guanajuato, Guerrero, Hidalgo, Nuevo León, Oaxaca, Puebla, Querétaro, San Luis Potosí, and Tamaulipas, as well as in western Guatemala. Its preferred natural habitat is forest, and it can be found at altitudes ranging from sea level up to 2,618 m (8,589 ft). Tantilla rubra reproduces via oviparity, meaning it lays eggs.
