The long-nosed snake is a species of nonvenomous snake in the family Colubridae. The species is endemic to North America. It has two recognized subspecies. The other species in the genus were previously considered subspecies.
Salvadora is a genus of colubrid snakes commonly called patchnose snakes or patch-nosed snakes, which are endemic to the western United States and Mexico. They are characterized by having a distinctive scale on the tip of the snout.
Tantilla is a large genus of harmless New World snakes in the family Colubridae. The genus includes 66 species, which are commonly known as centipede snakes, black-headed snakes, and flathead snakes.
Storeria is a genus of snakes in the subfamily Natricinae of the family Colubridae. The genus is endemic to North America and Central America. The genus consists of five species, four of which are known as brown snakes, and one of which is known as the redbelly snake.
Storeria dekayi, commonly known as De Kay's brown snake, De Kay's snake, and simply the brown snake, is a small non-venomous species of snake in the family Colubridae. The species is native to North America and Central America.
Adelphicos is a genus of New World burrowing snakes in the family Colubridae. The genus consists of nine species.
Kenneth Lee Williams was an American herpetologist and author of books on the subject of snake biology and classification. Williams retired from teaching in Northwestern State University's biology department and received emeritus status in 2001. Williams is considered an authority on the milk snake and the herpetology of the Honduran Cloud Forest.
Salvadora hexalepis, the western patch-nosed snake, is a species of non-venomous colubrid snake, which is endemic to the southwestern United States and northern Mexico.
Geophis sanniolus, commonly known as the pygmy snail-eating snake or the pygmy snail sucker, is a species of small snake in the family Colubridae. The species is endemic to Central America and southeastern Mexico.
Geophis is a genus of snakes in the subfamily Dipsadinae of the family Colubridae of the superfamily Colubroidea. Species in the genus Geophis are commonly referred to as Latin American earth snakes. The genus consists of 53 distinct species.
The Middle American indigo snake, also known commonly as the blacktail cribo, is a species of large, nonvenomous, snake in the family Colubridae. The species is native to the southwestern United States, Mexico, Central America, and northern South America. In addition to the nominate subspecies, it has four other recognized subspecies, including D. m. erebennus, commonly known as the Texas indigo snake.
Catesby's snail-eater, also commonly known as Catesby's snail sucker, is a nocturnal species of nonvenomous snake in the family Colubridae. The species is native to northern South America.
Tropidodipsas is a genus of New World snakes of the family Colubridae.
Enulius is a genus of snakes in the family Colubridae. The genus is endemic to the Americas.
The yellow-red rat snake is a species of snake in the family Colubridae. The species is endemic to Mexico and Central America. Three subspecies are recognized.
Pliocercus euryzonus, commonly known as Cope's false coral snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is indigenous to southeastern Central America and northwestern South America. There are two recognized subspecies.
Geophis championi, the Panamenian earth snake, is a species of snake in the family Colubridae. The species is endemic to Panama.
Geophis damiani is a species of snake in the family Colubridae. The species is endemic to Yoro Department, Honduras, where it is only found in a small region of the forest.
Geophis godmani, also known commonly as Godman's earth snake, the yellow-bellied earth snake, and la culebra minadora de Godman in American Spanish, is a species of snake in the Family Colubridae. The species is native to Central America.
Pliocercus elapoides, also known commonly as the variegated false coral snake, is a species of snake in the family Colubridae. The species is native to southern North America and northern Central America. There are four recognized subspecies.
