1. Short Friend Sayings
2. Old Friends Sayings
3. Best Friends Saying

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Lampropeltis triangulum, commonly known as a milk snake or milksnake, is a species of kingsnake; 24 subspecies are currently recognized. Lampropeltis elapsoides, the scarlet kingsnake, was formerly classified as the subspecies L. t. elapsoides, but is now recognized as a distinct species.^[1] The subspecies have strikingly different appearances, and many of them have their own common names. Some authorities suggest that this species could be split into several separate species.^[1] They are not venomous or otherwise dangerous to humans.^[2][3]

Geographic range[edit]

They are distributed from southeastern Canada through most of the continental United States to Central America, south to western Ecuador and northern Venezuela in northern South America.^[1][4]

Description[edit]

Milk snakes commonly exceed 60 cm (24 in) in total length (including tail), with very large specimens known to reach total lengths of 120 to 132 cm (47 to 52 in).^[1][5] They appear to one of the smaller species of the kingsnake genus, as adults in the wild apparently average from 38 to 225 g (1.3 to 7.9 oz) in North America and most typically do not exceed a total length of 90 cm (35 in). However, unusually large milk snakes can become rather bulkier than average-sized adults and potentially weigh up to 750 to 1,400 g (1.65 to 3.09 lb), though high weights as such are generally reported from captivity.^[6][7][8] Males typically are larger than females in maturity, although females can be bulkier than males similar in length, as well.^[9] Generally more tropical populations, from Mexico and further south, reach larger adult sizes than milk snakes living in the temperate zones.^[10] They have smooth and shiny scales and their typical color pattern is alternating bands of red-black-yellow or white-black-red.^[1] However, red blotches instead of bands are seen in some populations.^[1] Some milk snakes have a striking resemblance to coral snakes, in Batesian mimicry, which likely scares away potential predators. Both milk snakes and coral snakes possess transverse bands of red, black, and yellow. Experts now recognize that common mnemonics that people use to distinguish between the deadly coral snake and the harmless milk snake are not 100% reliable. Some coral snakes do not have the typical banding colors or patterns.^[11] Examples of unreliable mnemonics commonly used:

• 'Red on yellow kills a fellow. Red on black venom lack' or 'Red touches black, it's a friend of Jack. Red touches yellow, it's bad for a fellow.' ^[12][13]

Short Friend Sayings

Due to the many colors of the eastern milk snake (L. t. triangulum), it can resemble the coral snake, corn snake, fox snake, scarlet snake, and most importantly, the venomous snakegeneraAgkistrodon and Sistrurus. Milk, fox, and scarlet snakes are killed because of a resemblance to the venomous pygmy rattlers. Juvenile milk snakes, which are more reddish than adults, are often killed because they are mistaken for copperheads. Enough distinction exists among the five to make the eastern milk snake fairly easy to identify. The eastern milk snakes also have a light-colored, V-shaped or Y-shaped patch on their necks. One subspecies is melanistic (almost all black).^[1]

Habitat[edit]

Across the wide range of this species, habitat varies. Typically, milk snakes live in forested regions; however, in some regions, they can be located in open prairies. In various parts across their distribution, milk snakes often live on rocky slopes.^[1]

Behavior[edit]

Milk snake activity is mostly nocturnal. They are primarily terrestrial and attempt to blend in with ground litter. When threatened, a Milk snake will usually first try to escape. If cornered or harassed, it may vibrate its tail and strike energetically, though of course they are non-venomous, have only tiny teeth and their tails lack a rattle.

Diet[edit]

Young milk snakes typically eat slugs, insects, crickets, and earthworms.^[14]Adult diet frequently includes lizards (especially skinks), and small mammals.^[1] Juveniles in the western United States generally feed on small lizards.^[6] They are also known to eat birds and their eggs, frogs, fish, and other snakes.^[14]

Milk snakes are much more opportunistic eaters than the fox snake or corn snake. They have been known to consume a variety of animals, including rodents, eggs, birds, reptiles, amphibians, and invertebrates. Nevertheless, the diet of an adult milk snake still primarily consists of rodents.^[6] They are nocturnal eaters and are often found during the day in old barns and under wood.

An early myth about milk snakes is that they suck cow udders to get the milk. The myth is entirely false, and is discredited by the fact that the milk snake does not have the physical capabilities to suck milk out of a cow. Milk snakes are, however, frequently found in and around barns, making use of their cool and dark environments, and for the easily accessed populations of rodents to feed on. This proximity to barns, and therefore cows, probably gave rise to the myth.^[1]

Reproduction[edit]

Milk snakes are oviparous, laying an average of about 10 eggs per clutch, although that number may vary by region.^[1] The milk snake mates from early May^[14] to late June. In June and July, the female lays three to 24 eggs beneath logs, boards, rocks, and rotting vegetation.^[14] The eggs incubate for about two months, and hatch around August or September.^[14] Milk snakes typically live around 12 years, or up to 21 years in captivity.^[14] The average hatchling in Virginia measures 20.9 cm (8.2 in) in total length and weighs 4.1 g (0.14 oz).^[15]

Conservation status[edit]

The milk snake is listed as of least concern by the IUCN (a wildlife conservation union),^[16] but in some areas, they may face significant pressure due to pet-trade collection.^[1] Because of this species' attractiveness in the pet trade, many subspecies are now being bred in captivity for sale.^[1]

Subspecies[edit]

• Guatemalan milk snake, L. t. abnorma (Bocourt, 1886)
• Louisiana milk snake, L. t. amaura (Cope, 1861)
• Andean milk snake, L. t. andesiana (K.L. Williams, 1978)
• Mexican milk snake, L. t. annulata (Kennicott, 1861)

• Jalisco milk snake, L. t. arcifera (Werner, 1903)
• Blanchard's milk snake, L. t. blanchardi (Stuart, 1935)
• Pueblan milk snake, L. t. campbelli (Quinn, 1983)
• New Mexico milk snake, L. t. celaenops (Stejneger, 1903)
• Conant's milk snake, L. t. conanti (K.L. Williams, 1978)
• Dixon's milk snake, L. t. dixoni (Quinn, 1983)
• Black milk snake, L. t. gaigeae (Dunn, 1937)
• Central Plains milk snake, L. t. gentilis (Baird & Girard, 1853)
• Honduran milk snake, L. t. hondurensis (K.L. Williams, 1978)
• Ecuadoran milk snake, L. t. micropholis (Cope, 1860)
• Pale milk snake, L. t. multistriata (Kennicott, 1861)
• Nelson's milk snake,^[18]L. t. nelsoni (Blanchard, 1920)
• Pacific Central American milk snake, L. t. oligozona (Bocourt, 1886)
• Atlantic Central American milk snake, L. t. polyzona (Cope, 1861)
• Sinaloan milk snake, L. t. sinaloae (K.L. Williams, 1978)
• Smith's milk snake,^[18]L. t. smithi (K.L. Williams, 1978)
• Stuart's milk snake, L. t. stuarti (K.L. Williams, 1978)
• Red milk snake, L. t. syspila (Cope, 1889)
• Utah milk snake, L. t. taylori (W.W. Tanner & Loomis, 1957)
• Eastern milk snake, L. t. triangulum (Lacépède, 1788)

References[edit]

1. ^ ^{abcdefghijklmn}Savitzky, Alan H. (2004), Hutchins, Michael; Evans, Arthur V.; Jackson, Jerome A.; Kleiman, Devra G. (eds.), Grzimek's Animal Life Encyclopedia, 7: Reptiles (2nd ed.), Detroit: Adam, p. 47, archived from the original on 2011-05-21, retrieved 2018-12-03
2. ^Web, Animal Diversity. 'BioKIDS – Kids' Inquiry of Diverse Species, Lampropeltis triangulum, Scarlet kingsnake'. www.biokids.umich.edu.
3. ^'Snakes of New York'. SUNY College of Environmental Science and Forestry.
4. ^Armstrong, Michael P.; Frymire, David; Zimmerer, Edmund J. (December 2001), 'Analysis of sympatric populations of Lampropeltis triangulum syspila and Lampropeltis triangulum elapsoides, in western Kentucky and adjacent Tennessee with relation to the taxonomic status of the scarlet kingsnake', Journal of Herpetology, 35 (4): 688–93, doi:10.2307/1565915, JSTOR1565915
5. ^Fischer, L. (2002). COSEWIC status report on the Milksnake Lampropeltis triangulum in Canada in COSEWIC assessment and status report on the Milksnake Lampropeltis triangulum in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa, 1-29.
6. ^ ^abcHamilton, B. T., Hart, R., & Sites, J. W. (2012). Feeding ecology of the Milksnake (Lampropeltis triangulum, Colubridae) in the western United States. Journal of Herpetology, 46(4), 515-523.
7. ^Fitch, H. S. (1982). Resources of a snake community in prairie-woodland habitat of northeastern Kansas. Herpetological communities, 83-97.
8. ^Peterson, K. H., Lazcano, D., & Galván, R. D. J. (1995). Captive reproduction in the Mexican milksnake Lampropeltis triangulum annulata. Litteratura Serpentium, 15(5), 128-132.
9. ^Shine, R. (1994). Sexual size dimorphism in snakes revisited. Copeia, 326-346.
10. ^Williams, K. L. (1994). Lampropeltis triangulum. Catalogue of American Amphibians and Reptiles (CAAR).
11. ^'The Most Common Myths About Coral Snakes | The Venom Interviews'. thevenominterviews.com. Retrieved 2018-10-07.
12. ^'Frequently Asked Questions'. South Carolina Department of Natural Resources. (see FAQ's. -- 'are there any visual clues'..........). Archived from the original on 2017-12-30.
13. ^Medical-Surgical Nursing: Patient-Centered Collaborative Care by Donna D. Ignatavicius, M. Linda Workman (page 125s)
14. ^ ^abcdef'Encyclopedia of Animals (Milk snake entry)', EBSCO Animals, EBSCO Publishing
15. ^Linzey, D. W., & Clifford, M. J. (2002). Snakes of Virginia. University of Virginia Press.
16. ^'Lampropeltis micropholis'. IUCN Red List of Threatened Species. IUCN.old-form url
17. ^Species Lampropeltis triangulum at The Reptile Database
18. ^ ^abBell, Edwin L.; Smith, Hobart M.; Chiszar, David (2003), 'An Annotated List of the Species-Group Names Applied to the Lizard Genus Sceloporus.'(PDF), Acta Zoologica Mexicana (90): 103–174

External links[edit]

• Milk Snake, Reptiles and Amphibians of Iowa

The scarlet kingsnake (Lampropeltis elapsoides) is a species of kingsnake found in the southeastern and eastern portions of the United States. Like all kingsnakes, they are nonvenomous. They are found in pine flatwoods,^[3] hydric hammocks, pine savannas, mesic pine-oak forests, prairies, cultivated fields, and a variety of suburban habitats; not unusually, people find scarlet kingsnakes in their swimming pools, especially during the spring. Until recently, and for much of the 20th century, scarlet kingsnakes were considered a subspecies of milksnakes. However, Pyron & Bubrink^[4] demonstrated the phylogenetic distinction of this species and its closer relationship to the mountain kingsnakes of the southwestern United States. These largely fossorial snakes are the smallest of all species within the genus Lampropeltis, usually ranging from 40 to 50 cm (16 to 20 in) at maturity. The maximum recorded length is 68.4 cm (26.9 in). Hatchlings range in size from 8 to 18 cm (3.1 to 7.1 in).^[5]

Taxonomy[edit]

The generic name, Lampropeltis, is derived from the Ancient Greeklamprós (λαμπρος) meaning 'shiny' and peltas (πελτας) meaning 'shield', after the sheen of their scales. Its specific name, elapsoides, is a Latinization of the Greek word éllops (ελλοπς) which refers to coral and was used to describe the nineteenth century genus, Elaps (type genus of the familyElapidae), which included the eastern coral snake (Micrurus fulvius), a venomousspecies which the scarlet kingsnake resembles and with which the scarlet kingsnake is partly sympatric. The range of scarlet kingsnakes extends considerably further north and northeast than the eastern coral snake.

Old Friends Sayings

The scarlet kingsnake was once believed to have intergraded with the eastern milk snake, which produced a variation once named the Coastal Plains milk snakeL. t. temporalis, but this is no longer recognized as a legitimate taxon.^[3][6]

Description[edit]

Scarlet kingsnakes have a tricolored pattern of black, red, white, and various shades of yellow bands that appear to mimic the venomouscoral snake in a form of Batesian mimicry. A method to help differentiate between venomous and nonvenomous tricolor snakes in North America is found in the popular phrases 'red on yellow, kill a fellow; red on black, venom lack', 'red on yellow's a deadly fellow; yellow on black's a friendly Jack', 'if red touches yellow, you're a dead fellow; if red touches black, you're all right, Jack', and 'red and black is a friend of Jack' as well as 'red on black, friend of Jack; red on yellow, kill a fellow' and 'red band near black, venom lack; red band near yellow, bite a fellow'. For tri-colored snakes found east of the Mississippi River, all of these phrases can be replaced with the simple phrase, 'Red face, I'm safe', in reference to the red snout of scarlet kingsnakes as opposed to the prominent black snout of the eastern coral snake.

Scarlet kingsnakes are born with white, black, and red banding. As they mature, they develop varying shades of yellow within geographic areas where this is expressed. In addition, the yellowing is not uniform, but rather this pigmentation proceeds from lighter to darker from the lowermost scales upward to the dorsum, or 'back', presenting a multiple yellowish band. Early expression of yellowing appears as early as 3 months and continues through the first 3 years. As adults age, a gradual darkening of the yellowish banding occurs. The yellow pigmentation varies from lemon, to school-bus yellow, to tangerine, to apricot.

Scarlet kingsnakes are secretive, nocturnal, fossorial snakes, so are infrequently seen by people. They are excellent climbers. They can be found underneath the loose bark on rotting pines (which is a favorite place for them to hide during spring or during heavy rains), under the bark on dying or decaying pines and their stumps, and decaying wood, where they hunt for their favorite prey, small snakes and lizards, especially skinks. Hatchling scarlet kingsnakes show a strong predisposition for ground skinks, Scincella lateralis, often to the exclusion of other prey items.

References[edit]

1. ^Stejneger, Leonhard; Barbour, Thomas. 1917. A Check List of North American Amphibians and Reptiles. Cambridge, Massachusetts: Harvard University Press. 125 pp. (Lampropeltis elapsoides, p. 88).
2. ^The Reptile Database. www.reptile-database.org.
3. ^ ^abArmstrong, Michael P.; Frymire, David; Zimmerer, Edmund J. (December 2001), 'Analysis of sympatric populations of Lampropeltis triangulum syspila and Lampropeltis triangulum elapsoides, in western Kentucky and adjacent Tennessee with relation to the taxonomic status of the scarlet kingsnake', Journal of Herpetology, Society for the Study of Amphibians and Reptiles, 35 (4): 688–93, doi:10.2307/1565915, ISSN0022-1511, JSTOR1565915
4. ^Pyron, R.A.; Burbrink, F.T. (2009), 'Neogene diversification and taxonomic stability in the snake tribe Lampropeltini Serpentes: Colubridae', Molecular Phylogenetics and Evolution, 52 (2): 524–529, doi:10.1016/j.ympev.2009.02.008, PMID19236930, archived from the original on 2011-10-06
5. ^http://wildlifetrapper.com/eastern-coral-snake'
6. ^Williams, Kenneth L. (1988), Systematics and natural history of the American milk snake, Lampropeltis triangulum., Milwaukee, WI: Milwaukee Public Museum

Best Friends Saying

Further reading[edit]

• Conant, Roger. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Boston: Houghton Mifflin. xviii + 429 pp. ISBN0-395-19979-4 (hardcover), ISBN0-395-19977-8 (paperback). (Lampropeltis triangulum elapsoides, p. 209 + Plate 30 + Map 153.)
• Holbrook, John Edwards. 1936. North American Herpetology; or, A Description of the Reptiles Inhabiting the United States. Vol. II. Philadelphia: J. Dobson. 130 pp. + Plates I.- XXX. (Coluber elapsoides, pp. 123–125 + Plate XXVIII.)
• Schmidt, Karl P.; Davis, D. Dwight. 1941. Field Book of Snakes of the United States and Canada. New York: G.P. Putnam's Sons. 365 pp. (Lampropeltis elapsoides, p. 173 + Plate 6.)
• Smith, Hobart M.; Brodie, Edmund D., Jr. 1982. Reptiles of North America: A Guide to Field Identification. New York: Golden Press. 240 pp. ISBN0-307-13666-3. (Lampropeltis triangulum elapsoides, pp. 180–181.)
• Wright, Albert Hazen; Wright, Anna Allen. 1957. Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock. 1,105 pp. (in two volumes) (Lampropeltis doliata doliata, pp. 351–355, Figure 106 + Map 31 on p. 338.)