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Home » Animals » Species » Colubrid Snakes

Colubrid Snakes, Colubridae

The Colubridae family includes the following genera: Arizona - Glossy Snakes; Bogertophis - Desert Ratsnakes; Boigas - Catsnakes; Cemophora - Scarlet Snakes; Chilomeniscus - Sandsnakes; Chionactis - Shovel-nosed Snakes; Coluber - Racers; Conopsis; Dendrelaphis - Asian Tree Snakes, Bronzebacks; Dendrophidion; Dryadophis; Drymarchon - Indigo Snakes; Drymobius - Neotropical Racers; Elaphe - Corn Snakes, Fox Snakes, Rat Snakes, Ratsnakes; Ficimia - Mexican Hook-nosed Snakes, Southern Hook-nosed Snakes; Gyalopion - Hook-nosed Snakes, Western Hook-nosed Snakes; Lampropeltis - Kingsnakes, Milk Snakes; Leptophis; Masticophis - Coachwhips, Racers, Striped Racers, Whipsnakes; Mastigodryas; Amaral; Opheodrys - Green Snakes, Greensnakes; Phyllorhynchus - Leaf-nosed Snakes; Pituophis - Bullsnakes, Gopher Snakes, Pine Snakes, Pinesnakes; Pseudoficimia; Rhinocheilus - Long-nosed Snakes; Salvadora - Patch-nosed Snakes; Scaphiodontophis; Senticolis - Green Ratsnakes, Mountain Rat Snakes; Sonora - North American Ground Snakes, North American Groundsnakes; Spilotes; Stenorrhina; Stilosoma; Tantilla - Black-headed Snakes, Crowned Snakes; Homalopsinae; Natricinae; Xenodontinae

The Boodontinae group might contain as many as 45 species in 15 genera, but the allocation of many of them is uncertain. At the very least, boodontines encompass several moderate-sized, smooth-scaled, oviparous, nocturnal, constricting snakes. among them are a dozen or more species of African housesnakes (Lamprophis), terrestrial serpemts that feed largely on rodents.

  • Six species of African watersnakes (Lycodonomorphus) hunt fish underwater, constrict their prey, and even swallow small items while submerged.
  • African wolfsnakes, so named for their long front teeth, feed mainly on skinks; they also have flat heads and peculiary shiny skin, perhaps associated with their squeezing through crevices.
  • Ten species of African filesnakes (Mehelya, unrelated to australasian filesnakes) eat mainly other snakes. One 1.6-m Cape filesnake contained a 1-m Olive Grass Snake, and 82-cm african Rock Python, a 53-cm Brown Watersnake, and a 48-cm Spitting Cobra. The triangular cross-sectional shape, the basis for the common name of these snake-eaters, might identify them as non-prey if seized by other filesnakes.
  • This large subfamily is worldwide, although primarily confined to the Northern Hemisphere. North American Racers and whipsnakes are slender, fast-moving diurnal creatures. Thirteen species of Eurasian dwarfsnakes range from small arthropod eaters to moderate-sized predators on lizards.
  • The Asian Banded Ratsnake reaches the unusual length of at least 2.3 m, and females guard their cluthes. Other prominent Eurasian colubrids include several dozen species of whipsnakes (Coluber)
  • Many temperate North American colubrines are large and usually diurnal; they are among the most popular snakes as pets. One clade includes Eastern Pinesnakes and their relatives, as well as various ratsnakes (Bogertophis and Elaphe), all powerful constrictors that feed mainly on mammlas and occasionally on birds.
  • Most species of ratsnakes and some Gopher Snakes are semiarboreal, whereas Eastern Pinesnakes are decidedly fossorial. All species of Pituophis have a unique cartilaginous keel in front of the glottis; this structure amplifies hissing and enhances their resemblance to venomous rattlesnakes.
  • Kingsnakes (Lampropeltis) are traditionally grouped apart from ratsnakes because of their single anal scale and smooth dorsal scales (their generic name means "bright skin"). The widespread Common Kingsnake occasionally eats pitvipers and is immune to their venom.
  • The Sonoran Mountain Kingsnake eats lizards, mice, and nestling birds. Oddly enough, this beautiful, long-tailed species is both secretive, often sheltering in rock piles, and sometimes semiarboreal in its hunting and escape behavior. related taxa include scarletsnakes and long-nosed snakes - two groups of burrowing predators on squamates and their eggs.
  • Glossy snakes and some other nocturnal species can vary pupil shape from roound in darkness to semi-elliptical in bright light
  • Bogertophis and Elaphe snakes are powerful constrictors that feed mainly on mammals and sometimes on birds.
  • Cemophora coccinea
  • Sandsnakes and shovel-nosed snakes have countersunk lower jaws, concave bellies, and valvular nostrils that facilitate locomotion under sand.
  • Shovel-nosed snakes eat primarily roaches and scorpions.
  • The 10 species of bronzebacks are excellent climbers and feed mainly on lizards. Named for iridescence of their dorsal scles, bronzebacks inflate their necks when threatened, exposing bright blue, yellow, or red interscalar skin.
  • These neotropical racers are primarily terrestrial and feed mainly on frogs.
  • Dryadophis dorsalis
  • Speckled Racer Drymobius margaritiferus
  • Sonoran Whipsnake Masticophis bilineatus
    North american whipsnakes are slender, fast-moving diurnal creatures. Large Masticophis feed on a variety of invertebrates and vertebrates.
  • Orange-bellied Racer Mastigodryas melanolomus
    Some diurnal active tropicl colubrids sleep exposed on vegetatio, thereby escaping ants and other ground-bound predators.
  • Rough Green Snake Opheodrys aestivus
    Rough Green Snakes are among early maturing colubrids with low survivorship, young adults with large clutches. They are arboreal predators on caterpillars and crickets.
  • Saddled Leafnose Snake Phyllorhynchus browni
    Leaf-nosed snakes feed on lizards.
  • Bullsnake Pituophis catenifer sayi
  • Western Long-nosed Snake Rhinocheilus lecontei lecontei
    If forcibly restrained, Long-nosed Snakes exude blood from around the eyes, nostrils, and cloaca.
  • Coast Patch-nosed Snake Salvadora hexalepis virgultea
    Patch-nosed snakes catch whip-tailed lizards and use their modified snouts to dig for lizard eggs.
  • Neck-banded Snake Scaphiodontophis annulatus
    The neotropical Neck-banded Snake specilizes on skinks, with the aid of folding teeth that prevent the slippery lizards from escaping.
  • Green Ratsnake Senticolis triaspis intermedia
  • File-tailed Groundsnake Sonora aemula
    The File-tailed Groundsnake of northern Mexico is a mimic of New World coralsnakes and has a peculiar spinose tail, perhaps used in burrowing.
  • Tiger Rat Snake Spilotes pullatus
    Tiger Rat Snake attain almost 3 m in length and climb tall trees with astonishing skills; they feed on lizards, birds, and mammals as large as squirrels.
  • Stenorrhina degenhardtii
  • Western Black-headed Snake Tantilla planiceps
    Black-headed snakes often have two possible functional fangs at the back of each upper jaw. They immobilize centipedes with venom and are immune to bites from their victims.
  • False Jararaca Xenodon neuwiedi
  • Northern Pine Snake Pituophis melanoleucus melanoleucus








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