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Kingsnake

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For the DC Comics supervillain, see King Snake.

Kingsnakes
Temporal range: Miocene – recent
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Scarlet kingsnake (Lampropeltis elapsoides)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Tribe: Lampropeltini
Genus: Lampropeltis
Fitzinger, 1843
Synonyms

Ablabes, Bellophis, Herpetodryas, Ophibolus, Osceola, Phibolus, Pseudelaps, Zacholus

Kingsnakes are colubrid New World members of the genus Lampropeltis, which includes 26 species. Among these, about 45 subspecies are recognized. They are nonvenomous and ophiophagous in diet.

Description

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Kingsnakes vary widely in size and coloration. They can be as small as 24" (61 cm) or as long as 60" (152 cm).[2] Some kingsnakes are colored in muted browns to black, while others are brightly marked in white, reds, yellows, grays, and lavenders that form rings, longitudinal stripes, speckles, and saddle-shaped bands.[3]

Most kingsnakes have quite vibrant patterns. Some species, such as the scarlet kingsnake, Mexican milk snake, and red milk snake, have coloration and patterning that can cause them to be confused with the highly venomous coral snakes. One of the mnemonic rhymes to help people distinguish between coral snakes and their nonvenomous lookalikes in the United States is "red on black, a friend of Jack; red on yellow, kill a fellow". Other variations include "red on yellow kill a fellow, red on black venom lack",[4][5] and referencing the order of traffic lights "yellow, red, stop!" All these mnemonics apply only to the three species of coral snakes native to the southern United States: Micrurus fulvius (the eastern or common coral snake), Micrurus tener (the Texas coral snake), and Micruroides euryxanthus (the Arizona coral snake). Coral snakes found in other parts of the world can have distinctly different patterns, such as having red bands touching black bands, having only pink and blue bands, or having no bands at all.

Etymology

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Lampropeltis includes the Greek words for "shiny shield":[6] λαμπρός lampro(s) ("shiny") + πέλτη pelt(ē) ("peltē shield") + -is (a Latin suffix). The name is given to them in reference to their smooth, enamel-like dorsal scales.[7]

The "king" in the common name (as with the king cobra) refers to its preying on other snakes.[8]

Taxonomy

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Taxonomic reclassification of kingsnakes, as with many herpetiles and other animals, is a neverending process. Unexpected hybridization between kingsnake species and/or subspecies with adjacent home territories is not uncommon, thus creating new color morphs and variations, and further providing classification challenges for taxonomists; Often, different researchers will “agree to disagree”, one potentially citing a source that proves independent species-status to a group of wild snakes, while another will set out to prove that a discovered group is but a regional subspecies.[citation needed]

In the case of L. catalinensis, for example, only a single specimen is known, thus classification is not necessarily finite; this individual could be the lone uniquely-colored snake out of a more uniformly-colored litter, or even be the one documented example of a presently-unknown, localized subspecies. The entire system actively unfolding indefinitely.[citation needed]

Range

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Kingsnakes are native to North America, where they are found all over the United States and into Mexico. This genus has adapted to a wide variety of habitats, including tropical forests, shrublands, and deserts. As a whole, kingsnakes are found coast-to-coast across North America, with some as far north as Montana, North Dakota, New Jersey, Illinois and Ohio; south of those areas, there are kingsnakes to be found in nearly every corner of the lower-48 United States. Kingsnakes are also found virtually coast-to-coast across México, all the way down to the México-Guatemala border. Further south from there, milksnakes become the more predominant kingsnake in Central America, such as the Honduran milk snake.

Predators

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Kingsnakes are often preyed upon by large vertebrates, such as birds of prey. Tarantulas also sometimes prey on them; however, a considerable threat also comes from other kingsnakes. All species of kingsnakes are known snake- and reptile-eaters, and likely won't turn down a chance to prey on their local competitors.[9]

Behavior and diet

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Kingsnakes are primarily terrestrial, but they are also known to be capable climbers and swimmers.

Kingsnakes use constriction to kill their prey and tend to be opportunistic in their diet. They are known to seek out and eat other snakes (ophiophagy), including venomous snakes, like rattlesnakes, cottonmouths, copperheads. Some known non-venomous prey species of the kingsnake include gopher snakes, corn snakes, hognoses, and bullsnakes, garter snakes, rosy boa, water snakes, and brown snakes. Kingsnakes also eat many species of lizards, rodents, birds, and eggs.[10] The common kingsnake is known to be immune to the venom of other snakes and does eat rattlesnakes, but it is not necessarily immune to the venom of snakes from different localities.[10]

Kingsnakes such as the California kingsnake can exert twice as much constriction force relative to body size as rat snakes and pythons. Scientists believe that such strong coils may be an adaptation to eating snakes, and other reptile prey, which can endure lower blood-oxygen levels before asphyxiating.[11]

List of kingsnake species and subspecies

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Mole kingsnake (Lampropeltis rhombomaculata)
California kingsnake (Lampropeltis californiae)
Eastern kingsnake (Lampropeltis getula getula)
Speckled kingsnake (Lampropeltis holbrooki)

Kingsnake species and subspecies include (listed here alphabetically by specific and subspecific name):[12]

Additionally, Pyron and Burbrink have argued that the short-tailed snake (Stilosoma extenuatum) (Brown, 1890) should be included in Lampropeltis.[13]

References

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  1. ^ "Fossilworks: Lampropeltis".
  2. ^ Markel, Ronald G. (1990). Kingsnakes and Milk Snakes. T.F.H. Publications, Inc. ISBN 9780866226646.
  3. ^ Powell, Robert; Conant, Roger; Collins, Joseph T. (2016). Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition. Boston and New York: Houghton Mifflin Harcourt. pp. 375–381. ISBN 978-0544662-490.
  4. ^ Life's Better Outdoors, South Carolina Department of natural resources Archived 2015-06-30 at the Wayback Machine (see FAQ's. -- "are there any visual clues"). Retrieved July 15, 2015
  5. ^ Ignatavicius, Donna D.; Workman, M. Linda (2015). Medical-Surgical Nursing: Patient-Centered Collaborative Care, Eighth Edition. (pages 141-142)
  6. ^ "Lampropeltis". Merriam-Webster.com Dictionary. Merriam-Webster.
  7. ^ Tennant, Alan (2006). Lone Star Field Guide to Texas Snakes. Taylor Trade Publishing. p. 193. ISBN 978-1-4616-3564-2. the smooth dorsal scales have an enamel-like surface to which the genus' Latin name, Lampropeltis, or "shining skin shield," refers.
  8. ^ Archived at Ghostarchive and the Wayback Machine: "King snake vs Rattlesnake Oro Valley Az". YouTube. 2015-12-12.
  9. ^ Archived at Ghostarchive and the Wayback Machine: "Spider vs snake". YouTube.
  10. ^ a b Conant, Roger (1975). A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Boston: Houghton Mifflin. 429 pp.
    ISBN 0-395-19977-8 (paperback). (Genus Lampropeltis, p. 201.)
  11. ^ "Snake Kills Bigger Snakes with World's Most Powerful Squeeze". 2017-03-15. Archived from the original on March 16, 2017.
  12. ^ Genus Lampropeltis at The Reptile Database
  13. ^ Pyron, R. Alexander; Frank T. Burbrink (2009). "Neogene diversification and taxonomic stability in the snake tribe Lampropeltini (Serpentes: Colubridae)". Molecular Phylogenetics and Evolution 52(#2):524-529.

Further reading

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  • Hubbs, Brian (2009). Common Kingsnakes: A Natural History of Lampropeltis getula. Tempe, Arizona: Tricolor Books.
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