''Lampropeltis triangulum triangulum'', commonly known as the eastern milk snake or eastern milksnake, is a
subspecies of the
milk snake
The milk snake or milksnake (''Lampropeltis triangulum''), is a species of kingsnake; 24 subspecies are currently recognized. ''Lampropeltis elapsoides'', the scarlet kingsnake, was formerly classified as a 25th subspecies (''L. t. elapsoides' ...
(''Lampropeltis triangulum'').
The nonvenomous,
colubrid
Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ever ...
snake
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...
is indigenous to eastern and central
North America.
Geographic range
The eastern milk snake ranges from
Maine
Maine () is a U.S. state, state in the New England and Northeastern United States, Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and territories of Canad ...
to
Ontario
Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ...
in the north to
Alabama
(We dare defend our rights)
, anthem = " Alabama"
, image_map = Alabama in United States.svg
, seat = Montgomery
, LargestCity = Huntsville
, LargestCounty = Baldwin County
, LargestMetro = Greater Birmingham
, area_total_km2 = 135,7 ...
and
North Carolina
North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia a ...
in the south.
It was once thought by herpetologists to
intergrade
In zoology, intergradation is the way in which two distinct subspecies are connected via areas where populations are found that have the characteristics of both. There are two types of intergradation: primary and secondary intergradation.
Primar ...
with the
scarlet kingsnake
The scarlet kingsnake or scarlet milk snake (''Lampropeltis elapsoides'') is a species of kingsnake found in the southeastern and eastern portions of the United States. Like all kingsnakes, they are venomous snake, nonvenomous. They are found in ...
(''Lampropeltis elapsoides'') in a portion of its southern range, but this has been disproved.
Common names
Additional common names for ''L. t. triangulum'' include the following: adder, ''blatschich schlange'', chain snake, checkered adder, checkered snake, chequered adder, chequered snake, chicken snake, common milk snake, cow-sucker, highland adder, horn snake, house snake, king snake, leopard-spotted snake, milk sucker, pilot, red snake, sachem snake, sand-king, scarlet milk snake, spotted adder, and thunder-and-lightning snake.
[
]
Description
The eastern milk snake averages in total length, although specimens as long as in total length have been measured. It has smooth and shiny scales
Scale or scales may refer to:
Mathematics
* Scale (descriptive set theory), an object defined on a set of points
* Scale (ratio), the ratio of a linear dimension of a model to the corresponding dimension of the original
* Scale factor, a number ...
. The dorsal
Dorsal (from Latin ''dorsum'' ‘back’) may refer to:
* Dorsal (anatomy), an anatomical term of location referring to the back or upper side of an organism or parts of an organism
* Dorsal, positioned on top of an aircraft's fuselage
* Dorsal co ...
color pattern consists of brownish dorsal saddles, which are edged with black. The dorsal saddles are sometimes reddish or reddish brown in southern areas of its range. The pattern on the top and sides of the snake has also been described as three (or possibly five) series of black-bordered brown (reddish brown sometimes) blotches along the length of the snake on a gray or tan ground. The blotches in the dorsal series are large, while the blotches in the two (or possibly four) lateral series are smaller. The belly pattern is black and white checks (often irregular).
In 2023, the eastern milk snake became the official snake of Illinois.
Habitat
The eastern milk snake is a species commonly found in rural areas where hibernation and feeding sites, such as buildings and mammal burrows, are abundant, and they also use a variety of open habitats and forest edges.
As a pet
Like many species of milk snakes, the eastern milk snake is often bred in captivity for the pet trade. It is generally docile and rarely attempts to bite, though it may do so if feeling restrained.
Gallery
File:Autumn milksnake.jpg, Juvenile eastern milk snake in
File:Eastern_milksnake_(seen_in_Ohio).jpg, Eastern milk snake in Ohio
Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
File:Eastern Milk Snake (9273329716).jpg, Eastern milk snake
File:Milksnake 001.jpg, Eastern milk snake at the Binder Park Zoo
The Binder Park Zoo is a zoo that opened in 1977 near Battle Creek, Michigan, in the United States. Binder Park Zoo is one of the largest zoos in Michigan, and features a large array of animals and plants, including the Wild Africa Exhibit. It ...
in Battle Creek, Michigan
File:Eastern milk snake.jpg, Eastern Milk Snake found near Decatur, New York on May 29, 2022
References
External links
*
Further reading
* Boulenger GA (1894). ''Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ.'' London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (''Coronella triangulum'', pp. 200–201).
* Conant R (1975). ''A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition''. The Peterson Field Guide Series. Boston: Houghton Miffflin. xviii + 429 pp. + Plates 1-48. (hardcover), (paperback). (''Lampropeltis t. triangulum'', pp. 204, 206 + Plate 30 + Map 153).
*Conant, Roger; Bridges, William (1939). ''What Snakes Is That? A Field Guide to the Snakes of the United States East of the Rocky Mountains''. (With 108 drawings by Edmond Malnate). New York and London: D. Appleton-Century. Frontispiece map + 163 pp. + Plates A-C, 1-32. (''Lampropeltis t. triangulum'', pp. 80–81 + Plate 13, figure 37).
* Lacépède ">G(1789). ''Histoire Naturelle des Quadrupèdes Ovipares et des Serpens. Tome Second'' olume 2 Paris: Imprimerie du Roi, Hôtel de Thou. 671 pp. (''Coluber triangulum'', new species, ''table méthodique'', pp. 86–87). (in French).
*Lacépède G(1789). ''Histoire Naturelle des Quadrupèdes Ovipares et des Serpens. Tome Quatrième'' olume 4 Paris: Saugrain. 386 pp. ("''Couleuvre triangle'' ", p. 188). (in French).
*McCoy, C.J. (1980). ''Identification Guide to Pennsylvania Snakes''. (Design and illustrations by Michael Antonoplos). Pittsburgh, Pennsylvania: Carnegie Museum of Natural History
The Carnegie Museum of Natural History (abbreviated as CMNH) is a natural history museum in the Oakland neighborhood of Pittsburgh, Pennsylvania. It was founded by Pittsburgh-based industrialist Andrew Carnegie in 1896.
Housing some 22 million ...
. 12 pp. (''Lampropeltis triangulum'', p. 8).
*Morris, Percy A. (1948). ''Boy's Book of Snakes: How to Recognize and Understand Them''. New York: Ronald Press. (A volume of the Humanizing Science Series, edited by Jaques Cattell Jaques (Jack) Cattell (2 June 1904 in Garrison, New York – 19 December 1961) was an American publisher and founder of a company bearing his name, "Jaques Cattell Press, Inc.," based in Lancaster, Pennsylvania.
Jaques Cattell Press, Inc. The Sc ...
). viii + 185 pp. (''Lampropeltis doliata triangulum'', pp. 24–26, 180).
* Netting, M. Graham; Richmond, Neil D. (editors) (1970). ''Pennsylvania Reptiles and Amphibians''. Third Edition, Fifth Printing. (Photographs by Hal H. Harrison). Harrisburg, Pennsylvania: Pennsylvania Fish Commission. 24 pp. (''Lampropeltis doliata triangulum'', p. 5).
* Powell R, Conant R, Collins JT (2016). ''Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition''. Boston and New York: Houghton Mifflin Harcourt. xiv + 494 pp., 47 plates, 207 figures. . (''Lampropeltis triangulum'', p. 381 + Plate 35 + Figure 159 on p. 330).
* 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., 34 plates, 103 figures. (''Lampropeltis t. triangulum'', pp. 186–188, Figure 56 + Plates 5, 20).
* Smith, Hobart M.; Brodie, Edmund D., Jr. (1982). ''Reptiles of North America: A Guide to Field Identification''. New York: Golden Press.240 pp. (hardcover), (paperback). (''Lampropeltis t. triangulum'', p. 180-181).
* Stejneger L, Barbour T (1917). ''A Check List of North American Amphibians and Reptiles''. Cambridge, Massachusetts: Harvard University Press. 125 pp. (''Lampropeltis t. triangulum'', pp. 89–90).
{{Taxonbar, from=Q2998807
Lampropeltis
Snakes of North America
Reptiles of Canada
Reptiles of the United States
Fauna of the Eastern United States
Taxa named by Bernard Germain de Lacépède