Colubridae

Oxybelis koehleri Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy, 2020

Köhler's vine snake (Oxybelis koehleri) is a colubrid snake found across Central America.

Oxybelis rutherfordi Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy, 2020

Oxybelis rutherfordi is a genetically distinct Neotropical vine snake found in northern South America and Trinidad & Tobago.

Opheodrys aestivus Linnaeus, 1766

Opheodrys aestivus, the rough green snake, is a thin bright green North American arboreal colubrid snake with a well-documented natural history.

Opheodrys vernalis (Harlan, 1827)

Opheodrys vernalis, the smooth green snake, is a small-medium Nearctic snake with uniform bright green dorsal coloration.

Oligodon taeniatus (Günther, 1861)

The striped kukri snake (Oligodon taeniatus) is a colubrid snake found in Thailand, Laos, Cambodia, and Vietnam.

Oligodon purpurascens (Schlegel, 1837)

The brown kukri snake, Oligodon purpurascens, is a colubrid species found across parts of Southeast Asia.

Oligodon octolineatus (Schneider, 1801)

Oligodon octolineatus is a gonochoric, oviparous colubrid snake found across parts of Southeast Asia.

Oligodon formosanus (Günther, 1872)

Oligodon formosanus is a snake with characteristic patterned brown scaling, found across parts of East and Southeast Asia.

Oligodon fasciolatus (Günther, 1864)

Oligodon fasciolatus is an oviparous brownish snake that lives in forests of mainland Southeast Asia.

Oligodon chinensis (Günther, 1888)

Oligodon chinensis, the Chinese kukri snake, is a colubrid snake found in China and Vietnam.

Oligodon cinereus (Günther, 1864)

Oligodon cinereus is a species of snake found across South and East Asia, with a defined scale arrangement and uniform pale to reddish dorsal color.

Oligodon arnensis (Shaw, 1802)

Oligodon arnensis, the banded kukuri snake, is a non-venomous colubrid found across South Asia.

Oligodon taeniolatus (Jerdon, 1853)

Oligodon taeniolatus is a nonvenomous Asian streaked kukri snake listed as Least Concern by the IUCN.

Oligodon tillacki Bandara, Ganesh, Kanishka, Danushka, Sharma, Campbell, Ineich, Vogel & Amarasinghe, 2022

Tillack's kukri snake (Oligodon tillacki) is an endemic Indian colubrid that reaches 650 mm in snout–vent length.

Macroprotodon brevis (Günther, 1862)

Macroprotodon brevis is a colubrid snake found in the Iberian Peninsula and Morocco, living in forests and Mediterranean scrubland.

Lytorhynchus diadema (Duméril, Bibron & Duméril, 1854)

Lytorhynchus diadema is a species found across dry North African and Middle Eastern habitats that lays 3 to 5 eggs per clutch.

Lycodon subcinctus Boie, 1827

The Malayan banded wolf snake (Lycodon subcinctus) is an Asian colubrid species with a banded pattern similar to a krait.

Lycodon travancoricus (Beddome, 1870)

Lycodon travancoricus is a non-venomous endemic snake of Peninsular India also found in the Maldives.

Lycodon striatus (Shaw, 1802)

Lycodon striatus is a nocturnal dry-habitat wolf snake found across South and Central Asia, feeding on small lizards.

Lycodon laoensis Günther, 1864

Lycodon laoensis is a non-aggressive nocturnal ground-dwelling wolfsnake found across multiple regions of East and Southeast Asia.

Lycodon fasciatus (Anderson, 1879)

Lycodon fasciatus is a ringed snake species found across South and East Asia, with distinct scale and color traits.

Lycodon effraenis Cantor, 1847

Lycodon effraenis, the brown wolf snake, is a colubrid snake found in Malaysia, Brunei, Indonesia, and Thailand.

Lycodon aulicus (Linnaeus, 1758)

Lycodon aulicus is a common variable-colored Asian snake that is often confused with the common krait.

Lycodon ruhstrati (Fischer, 1886)

Lycodon ruhstrati is an oviparous Asian wolf snake classified as Least Concern by the IUCN.