Plains garter snake - wikipedia Plains garter snake Plains garter snake Conservation status Least Concern ( IUCN 3.1 ) Scientific classification Kingdom : Animalia Phylum : Chordata Clade : Tetrapodomorpha Class : Reptilia Order : Squamata Suborder : Serpentes Family : Colubridae Genus : Thamnophis Species : T. radix Binomial name Thamnophis radix ( Baird and Girard, 1853 ) Subspecies T. r. radix T. r. haydeni Synonyms Eutainia radix Baird & Girard, 1853 Tropidonotus sirtalis var. radix -- Jan, 1865 Tropidonotus ordinatus Var. radix -- Boulenger, 1893 Eutaenia radix -- Cope, 1900 Thamnophis radix -- Stejneger & Barbour, 1917 The Plains garter snake ( Thamnophis radix ) is a species of garter snake native to most of the central United States as far north as Canada and as far south as Texas. It has a distinctive orange or yellow stripe from its head to tail, and the rest of its body is mainly a gray - green color. The snake is commonly found living near water sources such as streams and ponds, but can also be found in urban areas and vacant lots. Although the IUCN lists the species as `` Least Concern '', some states have given it their own special status. This species is mildly venomous, although the venom is not toxic to humans. Contents 1 Description 1.1 Physical 1.2 Behavior 2 Habitat 2.1 Range 3 Subspecies 4 Conservation 5 External links 6 References Description Physical Thamnophis radix The Plains garter snake has either an orange or yellow stripe down its back and distinctive black bars on its lip. The stripe normally starts at the head and continues all the way to the tail tip. Lateral stripes are located on the third and fourth scale rows and are normally a greenish - yellow color. Its belly is gray - green with small dark spots along the edges. Most have distinctive light yellow spots on the top of the head. The snake is described as medium - sized and is on average around 3 ft ( 0.91 m ). Behavior Described as `` one of the most cold - tolerant snakes '', on warmer winter days, it often comes out of hibernation to bask in the sun. It is most active between April and late October depending on location. Mating normally takes place in April or May and birth takes place between August and October. Courtship usually occurs near the communal hibernation site, and polygynous mating systems have been observed. The snake 's typical diet consists of earthworms, slugs, and small amphibians, including the larvae of salamanders. It has also been observed eating small mammals and birds, such as bank swallows and eastern meadowlarks. Habitat The Plains garter snake is commonly found in meadows and prairies adjacent to water sources, such as marshes, streams, and ponds. In built - up areas of the Chicago area, it has been observed in abandoned buildings, trash heaps, and vacant lots. Populations in urban and suburban areas have been greatly reduced due to building activities and pesticide use. Its habitat range overlaps with that of the common garter snake ( Thamnophis sirtalis ) in many areas, and it is thought the species may hybridize. Range The snake ranges across a broad area of North America from as far north as central Alberta to as far south as Northern Texas and New Mexico. In the United States, it is also found in Iowa, eastern Wyoming, northern Kentucky, eastern Colorado, Minnesota, southern Wisconsin, Illinois, northwestern Indiana, Oklahoma, Nebraska and the northern half of Missouri. A small population is also in Ohio. In Canada, the species is also found in Manitoba. It can be found at elevations from 400 to 7,500 feet but prefer to stay under 6,000 feet. Subspecies Formerly, two subspecies of the Plains garter snake were widely recognized, but most authorities have since dropped subspecies recognition. The first, T. r. radix, was commonly referred to as the eastern Plains garter snake, while T. r. haydeni ( Kennicott 1860 ) was considered the western subspecies. However, the distinction between the two is weak, partly based on the number of scales and partly on slight coloration differences, with T. r. haydeni said to have cleaner markings and more ventral and neck scales. As the two subspecies share the same habitat in many regions of the United States, further complicated by their strikingly similar appearance, many now do not recognize the two subspecies. The subspecific name, haydeni, is in honor of American geologist Ferdinand Vandeveer Hayden. Conservation The Plains garter snake is listed as Least Concern ( IUCN 3.1 ) by the IUCN Red List due to the snake 's ability to modify its habitat, its wide distribution and its presumed large population. However, the snake is considered to be `` Endangered '' in Ohio and is on a state list of endangered species. In Wisconsin, it is a species of special concern. External links Plains Garter Snake, Reptiles and Amphibians of Iowa ( 1 ) Plains Garter Snake, Reptiles of Alberta : Alberta Conservation Association References Jump up ^ Plains Garter Snake. ( Arkive.org ). Retrieved March 25, 2017, http://www.arkive.org/plains-gartersnake/thamnophis-radix/image-G143060.html Jump up ^ Conant, Roger ; Robert C. Stebbins ; Joseph T. Collins ( 1999 ). Roger Tory Peterson, ed. Peterson First Guide to Reptiles and Amphibians. Houghton Mifflin Harcourt. ISBN 978 - 0 - 395 - 97195 - 6. ^ Jump up to : Breckenridge, John ( 1944 ). Reptiles and amphibians of Minnesota. U of Minnesota Press. ISBN 0 - 8166 - 0573 - 4. ^ Jump up to : `` Thamnophis radix -- Plains Gartersnake ''. Illinois Natural History Survey. University of Illinois. Retrieved 8 February 2010. ^ Jump up to : Rossman, Douglas ; Neil Ford ; Richard Seigel ( 1996 ). The garter snakes : evolution and ecology. University of Oklahoma Press. pp. 235 -- 241url = https://books.google.com/books?id=n2rW7E8_uJoC&pg=PA235&dq=Thamnophis+radix&lr=&as_drrb_is=q&as_minm_is=0&as_miny_is=&as_maxm_is=0&as_maxy_is=&as_brr=3&client=firefox -- a&cd = 5 # v = onepage&q = Thamnophis % 20radix&f = false. ISBN 0 - 8061 - 2820 - 8. ^ Jump up to : Dewey, Tanya. `` Thamnophis radix ( plains garter snake ) ''. University of Michigan Museum of Zoology. University of Michigan. Retrieved 8 February 2010. ^ Jump up to : Degenhardt, William ; Charles Painter ; Andrew Price ( 2005 ). Amphibians and Reptiles of New Mexico. UNM Press. pp. 324 -- 325. ISBN 0 - 8263 - 3811 - 9. ^ Jump up to : `` Thamnophis radix ''. Hammerson, G.A. IUCN Red List. Retrieved 8 February 2010. Jump up ^ Beolens B, Watkins M, Grayson M. The Eponym Dictionary of Reptiles. Baltimore : Johns Hopkins University Press. xiii + 296 pp. ISBN 978 - 1 - 4214 - 0135 - 5. ( Thamnophis radix haydeni, p. 118 ). Jump up ^ `` Ohio 's Endangered Species ''. Ohio DNR. Retrieved 8 February 2010. Jump up ^ `` Plains Gartersnake ( Thamnophis radix ) Endangered Resources Program Species Information ''. Wisconsin DNR. Archived from the original on 9 June 2011. Retrieved 8 February 2010. Taxon identifiers Wikidata : Q385759 Wikispecies : Thamnophis radix ARKive : thamnophis - radix EoL : 1055205 GBIF : 2457512 iNaturalist : 28378 IRMNG : 10947252 ITIS : 174147 IUCN : 63988 NCBI : 35015 uBio : 8059380 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Plains_garter_snake&oldid=865319766 '' Categories : IUCN Red List least concern species Thamnophis Snakes of North America Reptiles of Canada Reptiles of the United States Fauna of the Great Plains Fauna of the Plains - Midwest ( United States ) Fauna of the Southwestern United States Reptiles described in 1853 Least concern biota of the United States Pliocene reptiles of North America Extant Zanclean first appearances Hidden categories : Articles with ' species ' microformats Talk Contents About Wikipedia Wikispecies Cebuano Deutsch Euskara Français Svenska Українська Tiếng Việt Winaray Edit links This page was last edited on 23 October 2018, at 04 : 54 ( UTC ). 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Question: what type of snake is black with a yellow stripe
Answer: The Plains garter snake