These small rattlesnakes are about 20-30 inches long. Prairies, meadows, marshes, swamps, floodplain forests, woodlands, desert grasslands. At present, there is no evidence of established breeding populations on the Minnesota side of the Mississippi River (hence … This rattlesnake is strongly associated with floodplain habitats along medium to large rivers, especially near river They tend to occur in areas of dense grass or forb cover and moderate amounts of leaf litter during the summer and fall. This probably refers to the wet habitats preferred by the eastern and western subspecies. Overview Overview. The scales are keeled (have a dull, no-gloss surface) and the anal plate is single. The winner of these matches usually mates with the nearby female. ); In 2002 these sites had a The young are totally independent and the female provides no maternal care. Historically, the snake’s range covered this same area, but within this large area the number of populations and the number of snakes within populations have steadily shrunk. Presently, desert massasauga populations are fragmented across Colorado, southwestern Kansas, and parts of … Like all rattlesnakes, it is a pit viper. Abstract: The massasauga (Sistrurus catenatus) has drastically declined throughout its range mainly due to habitat loss and human persecution.Populations of the massasauga that occur north and east of the Missouri River, USA, are currently candidates for listing under the United States Endangered Species Act. There is a heat sensitive pit located between the eye and nostril. People will also travel long distances to collect snakes for “rattlesnake roundups” during which thousands can be killed. The eyes have vertical, cat-like pupils and the head is shaped like a spade, though it is not as wide as the heads of other rattlesnakes in Iowa. + appx. There are two subspecies of western massasauga rattlesnake. Communal denning throughout the winter season is a common occurrence for western massasauga. Often uses crayfish burrows to hibernate. Prairie massasauga prefer mesic grasslands and are often associated with wetlands. The den is called a hibernaculum. The snake is listed as threatened because of loss of population throughout its range. The Massasauga bites only as a last resort, and its striking range is under 30 centimetres (about a third to a half of its body length). Common names of the massasauga include: massasauga rattlesnake, massasauga rattler (Ontario), black massasauga, black rattler, black snapper, gray rattlesnake (Iowa), little grey rattlesnake (Canada), muck rattler, prairie rattlesnake, spotted rattler, swamp rattler, víbora de cascabel (Mexico), dwarf prairie rattlesnake, eastern massasauga great adder, ground rattlesnake, Kirtland's rattlesnake, little black … The Massasauga was once more widespread in southwestern Ontario, especially along the shores of the Great Lakes. There are three recognized subspecies of this species. Desert Massasauga Rattlesnake: A Technical Conservation Assessment. Materials and Methods Eight long-term captive western diamondback rattlesnakes, Crotalus atrox, were observed in this study. } These cookies do not store any personal information. tail has approximately 3 to 6 dark brown or black rings and tipped with a small rattle. It has light and dark bands on the tail. VENOMOUS Description: This rattlesnake has a row of dark brown blotches that run down the length of its back. It used to live in floodplain wetlands of the Mississippi, Missouri, and Grand rivers, but it is now endangered. listeners: [], This may lead to an encounter with another male, resulting in combat. Adults range in size from 35 to 91 cm (14 to 36 in). Prairie Rattlesnakes are similar in appearance but are not found within the range of Western Massasauga Rattlesnakes in Iowa. Massasauga have a distinctive dark brown eye stripe that extends back from each eye to the corners of the mouth. The name massasauga is a Native American term meaning "swamp dweller," referring to its use of marshy or wet habitat areas. The strike happens very quickly and the fangs are sunk into the prey’s body. The Western massasauga rattlesnake is now a candidate for federal listing under the United States Endangered Species Act. They have a patchy distribution from Texas, Arizona, south-east Colorado, central Oklahoma and eastern Kansas. Receive our latest offers, stories & event news, direct to your inbox. By three years of age the young are sexually mature and are able to reproduce. The Massasauga is a venomous rattlesnake species found in midwestern North America. window.mc4wp.listeners.push( Spring & fall they can be found in the wetter habitats, and summer they may be found in dry habitats. Massasauga definition is - a small North American rattlesnake (Sistrurus catenatus). Young are born in late September to early October. Massasaugas can shed their skin between 3 and 5 times a year, depending on their health and growth rate. Small to medium rattlesnake that unlike most rattlesnakes, has 9 enlarged scales on top of the head. Like all rattlesnakes, it is a pit viper, and like all pit vipers, it is venomous. You must have JavaScript enabled to fill out this form. Wet prairie is the preferred habitat in the west, bogs and swamps in the east. Western massasauga rattlesnake Sistrurus tergeminus VENOMOUS Description: This rattlesnake has a row of dark brown blotches that run down the length of its back. The range of eastern massasauga (Sistrurus catenatus catenatus) is described as western New York and southern Ontario extending westward to Iowa and southward to Missouri, with zones of intergradation between eastern and western massasauga in southwestern Iowa and A series of spots and saddles are arranged down the back and sides. This pit is larger and positioned lower on the face than the nostril. })(); Mobile App  |  Data Portal  |  Knowledge Hub  |  Blog  |  About  |  Contact  | Support, The Sustainability Innovation Lab at Colorado (SILC)University of Colorado BoulderSEEC Building, East Campus4001 Discovery Drive, Ste. Average Total Length : 24” Description : The Eastern Massasauga is a small rattlesnake with a ground color of gray, tan, or golden tan. } There are two subspecies of western massasauga rattlesnake. VENOMOUS Description: 18½ - 30 inches. What are the threats to the desert massasauga rattlesnake? They are also popular in the pet trade and unfortunately fall victim to car tires as they bask on warm pavement. Southwest Iowa and northwest Missouri across Nebraska and western Oklahoma and southward across central Texas. From southeastern Canada, across parts of the eastern and middle United States to Arizona. rodents, and rodent litters influence predatory behavior in rattlesnakes. Two small populations are also found in the Wainfleet Bog on the northeast shore of Lake Erie and near Windsor. the two! When approached, they may remain silent … Massasauga Rattlesnake. There is an isolated disjunct population in southeastern Colorado. Distribution In the United States, the Western Massasauga is found in Colorado, Iowa, Kansas, Missouri, Nebraska, Oklahoma, and Texas. Range map provided by the International Union for Conservation of Nature. There are two subspecies of western massasauga rattlesnake. The prairie massasauga is a shy, reclusive, nonaggressive rattlesnake. These help the snake to find warm-blooded prey animals, especially at night. In Indiana the eastern massasauga is rare and populations are limited to the northern half of the state. As the courtship ensues, the male's head begins to move to and fro in a jerky yet rhythmic motion. Massasaugas were most active between 14 and 30 °C, with an average ambient temperature during activity of 22.1°C. In the west, Desert Massasauga are found in shortgrass prairies, desert grasslands, and even in shinnery oak shrublands in New Mexico (Degenhardt et al. The U.S. Colorado is home to three venomous snakes: the western massasauga rattlesnake, the midget faded rattlesnake and the prairie rattlesnake. When threatened, it rattles or retreats under nearby cover. Adults tend to use an ambush approach when hunting, holding still until the prey animal is about one third of its body length away. • Range - Eastern massasaugas live in an area that extends from western NewRange York and southern Ontario to southern Iowa and a narrow band in northeastern Missouri. Necessary cookies are absolutely essential for the website to function properly. Hibernation site selection by eastern massasauga rattlesnakes (Sistrurus catenatus catenatus) near their northern range limit. The female gives birth to nine to 14 young measuring nine to 13.5 inches. Raccoons, hogs, skunks, foxes, hawks, and eagles. After injecting the venom, the snake often pulls away to avoid injury, waiting for the animal to die, swallowing them after the animal is dead. The average seasonal home range for the massasauga in Western Pennsylvania is 3.8 acres. 2006. The western massasauga has been found in southeastern Nebraska. Western massasauga are long-lived and slow to reproduce, therefore they are inherently vulnerable to any population losses. The eastern massasauga rattlesnake (Sistrurus catenatus catenatus) is a candidate for federal listing as a threatened or endangered Distinct Population Segment (DPS) (U.S. FWS 2003). Although it is highly toxic, very few humans have died from a massasauga bite. USDA Forest Service, Rocky Mountain Division. The eastern massasauga is strongly associated with wetlands across most of its range. It is most active from April to October during the day, in the spring and fall. The western massasauga is a medium sized, <25 in/65 cm, pit viper with light-brown base color and a row of dark brown blotches, that are wider than they are long. (2009) study were not Eastern Massasauga Rattlesnake Yes, There Are Rattlesnakes In Georgian Bay Islands National Park! window.mc4wp = window.mc4wp || { The eastern massasauga is strongly associated with wetlands across most of its range. callback: cb Actions that result in habitat loss or degradation and direct killing should be avoided. In the spring, snakes make long distance movements (up to 2 km) from the hibernaculum (shortgrass, compacted clay soils) to summer foraging areas … During the spring males leave their hibernation sites and begin searching for food and mates. In fact this is one of the few places you can still find an Eastern Massasauga Rattlesnake (Sistrurus catenatus) in Canada. Its occurrence in Minnesota is based on a few reliable sightings in the southeast part of the state, and one specimen whose collection location is questionable. western massasauga (Sistrurus catenatus tergeminus) and desert massasauga (Sistrurus catenatus edwardsii) (Gloyd 1940, Minton 1983, Conant and Collins 1991). The eyes have vertical, cat-like pupils and the head is shaped like a spade, though it is not as wide as the heads of other rattlesnakes in Iowa. They summer in open arid shortgrass, mixed grass/sandsage prairie and occasionally sand dune habitat with loose sandy soils and move to adjacent hardpan short-grass habitat in the fall to hibernate. The Desert Massasauga, Sistrurus catenatus edwardsii, inhabits xeric grasslands from western Texas to southeastern Arizona and occurs in Proceedings of the International Symposium and Workshop on the Conservation of the Eastern Massasauga Rattlesnake Sistrurus catenatus catenatus, May 8-9, 1992. Like all rattlesnakes, it is a pit viper. Young massasaugas may use tail luring, moving their tails in such a way as to attract a frog or a lizard. Tillage should be avoided as it can result in direct mortality, impenetrable barriers to movement, reduced prey availability and increased vulnerability to predation. Geographical Range. The wet prairie habitat and eastern massasauga go hand in hand. forms: { To court the female, the male actively tongue flicks the dorsal surface of the female's body. Massasauga Prairie is along a small valley in the Galesburg Section of the Western Forest-Prairie Natural Division. The rattle’s small size makes it difficult to detect, often causing it to be confused with common water snakes. Blotches on the back become bands near the tail, which is tipped by a small rattle. The Eastern Massasauga Rattlesnake ranges from western New York and southern Ontario to eastern Iowa and Missouri. Massasauga rattlesnake is a species of venomous snake occurring in the midwestern North America. The rattle is comprised of a series of interlocking segments that make a buzzing noise when the tail is vibrated. At less than 2 feet in length, the massasagua is one of the smallest rattlesnake species. A pit viper, this snake has heat-sensitive pits on each side of its head, between the nostril and eye. } Eastern Massasauga Rattlesnakes are gray or grayish-brown with dark bands or blotches down the back. The head has a series of nine large scales or plates on the top and there is a dark broad lateral stripe along each side. U.S. Eastern massasauga rattlesnakes, the only venomous snake in Michigan, are shy creatures that will avoid humans whenever possible. The massasauga (Sistrurus catenatus) is a rattlesnake species found in midwestern North America from southern Ontario to northern Mexico and parts of the United States in between. Females are ovoviviparous, meaning they give birth to live young, rather than laying eggs externally. The western massasauga (pronounced mass-a-saw'-ga) rattlesnake is one of the smallest rattlesnakes. Massasauga rattlesnake is a species of venomous snake occurring in the midwestern North America. Historically, the snake’s range covered this same area, but within this large area the number of populations and numbers of snakes within populations have steadily shrunk. We did not make a direct comparison with Desert Massasaugas because samples from the Anderson et al. Many species, such as the massasauga, are uniquely important as indicators of environmental quality and function as “environmental monitors.” They also control the rodent population, thereby controlling rodent-carried diseases. The Eastern Massasauga Rattlesnake: A Handbook for Land Managers. Fish and Wildlife Service, Ft. Snelling, MN 55111-4056 52 pp. When disturbed, massasauga sound a warning by rattling their tail. Often both snakes topple over and continue wrestling. 1993. The status of the desert massasauga (S. c. edwardsii) is as follows: Arizona, protected; Colorado, Species Although the massasauga rattlesnake is thought to be in decline throughout much of its range, Grazing management or prescribed burning that produces a patchy mosaic of basking areas, cover and foraging sites is ideal. The desert massasauga is commonly associated with xeric prairie habitatfrom western Texas to southeastern Arizona, with isolated populations in Colorado and Mexico. Conant (1975) mentions an average length of 46–66 cm (18–26 in), with a maximum of 88.3 cm (34 3⁄4 in). Range Found in the United States in south eastern Nebraska, north western Missouri, east and central Kansas, west and central Oklahoma, northern and central Also known as "swamp rattlers," they spend the vast majority of their time in year-round wetlands hunting their primary prey, mice. The most serious threat to this snake species is habitat destruction. Blotches on the back become bands near the tail, which is tipped by a small rattle. Eastern and Western Massasauga occupy wet meadows, marshes, and woodlands. The desert massasauga is commonly associated with xeric prairie habitatfrom western Texas to southeastern Arizona, with isolated populations in Colorado and Mexico. It is gray and brown with dark, round brown blotches on the back and other smaller and less-distinct blotches on the sides. Three subspecies are currently recognized including the nominate subspecies described here. Western Massasauga Rattlesnakes are gray or grayish-brown with dark bands or blotches down the back. It can be 18-39 inches long. Download the Western Massasuaga Rattlesnake factsheet, NatureServe. Occurrence maps on The Massasauga Rattlesnake, Sistrurus catenatus, is a diminutive species with a distribution in the United States which largely tracks the retreat of Pleistocene glaciation and the spread of grasslands. Leaving patches of un-mowed grassland that shift location annually can help to maintain proper refugia, corridors, and foraging opportunities for massasauga while reducing the chance of predators learning to hunt along specific mowed paths. Its underbelly is light with some dark spots. The western massasauga (pronounced mass-a-SAW-ga) rattlesnake gets its name from the Chippewa language. If the species is eventually listed as threatened or endangered, it will qualify for legal protection, including habitat protection. Each time the snake sheds its skin a new "button" is added to the rattle, therefore these rattles do not tell the snake's age, but the amount of times the animal has shed its skin. These 11 populations span from southwestern Ohio to western New York and cover a distance similar to the geographic extent of the Western Massasauga samples (584 km and 566 km, respectively). Many Nebraskans enjoy outdoor recreational activities such as hiking, hunting, fishing and camping, and farmers and ranchers often check fields by walking. They are typically born under a log, wood pile, or in abandoned mammal burrows. The average gestation period is between two to four months. The eastern Massasauga rattlesnake is the largest subspecies, measuring up to 30 inches (76 cm) in length. Along the side of the head there are two narrow white lines circling a dark brown band. Presently, desert massasauga populations are fragmented across Colorado, southwestern Kansas, and parts of Arizona, New Mexico, Texas, and Mexico. The desert massasauga is commonly associated with xeric prairie habitat from western Texas to southeastern Arizona, with isolated populations in Colorado and Mexico. The massasauga (Sistrurus catenatus) is a rattlesnake species found in midwestern North America from southern Ontario to northern Mexico and parts of the United States in between. ... Two outstanding features include a colony of eastern massasauga rattlesnakes and areas of high quality prairie. NatureServe, Arlington, Virginia. To avoid detection by prey or predators its coloring provides the snake with camouflage that is perfect for hiding among long grass and other vegetation. Other names: massasauga, massasauga rattlesnake Massasauga Rattlesnake Pictures Gallery Rattlesnakes can be found in almost every U.S. state. This snake is a very docile one. The western subspecies has an average length of 26 inches (66 cm), while the desert subspecies typically reaches a length of 21 inches (53 cm). event : evt, Western Massasauga – Species Conservation Assessment Page 3 Status According to the last review in 2005, the Western Massasauga has a state Heritage status rank of S1, U.S. national status of N3N4, and global conservation The standard length for 43 male and 63 female adult specimens was 68 cm (27 in). 2019. Once the prey is close enough the snake attacks. N290Boulder, CO 80303, USA, Jornada Experimental RangeWooton Hall, Room 100, NMSU2995 Knox StreetLas Cruces, NM 88003, USA. Learn more about reptiles In Indiana the eastern massasauga is rare and populations are limited to the northern half of the state. It also has three small rows of lighter colored blotches along each side. 2019. Found in the United States in south eastern Nebraska, north western Missouri, east and central Kansas, west and central Oklahoma, northern and central Texas The massasauga is native to the lower peninsula of Michigan and several other Great Lakes states. Massasauga Rattlesnake Pictures Gallery Geographic Range. VENOMOUS Description: 18½ - 30 inches. Massasauga abstract (includes life history, habitat, and active period information) Snake Safety Tips & Snake Bite Treatment Eastern Massasauga Rattlesnake species information on herpman.com. During sunny days, massasaugas can often be found sunning themselves. Careful planning for urban and infrastructure development to avoid critical areas for hibernation and heavy vehicle/machinery use during months of migration to avoid road mortality. The venom of the Massasauga rattlesnake is This species range extends from southern Ontario and western New York west across Michigan and southern Wisconsin to southeastern Minnesota, eastern Iowa, and eastern Missouri, south to southern Illinois, central Indiana, southern Ohio, and western Pennsylvania. In the spring, snakes move up to 1.3 mi/2 km from the hibernaculum (over wintering dens) in shortgrass prairie areas with compact clay soils to summer foraging areas in mixed grass, sand sage or sand hills prairie. The IUCN Red List of Threatened Species. Massasauga rattlesnake. Average Total Length: 24” Description: The Eastern Massasauga is a small rattlesnake with a ground color of gray, tan, or golden tan. We also use third-party cookies that help us analyze and understand how you use this website. The young snakes stay in their birth place for the first four to five days. Distribution: Eastern Massasaugas are a snake of glaciated Ohio, with records throughout the northern and western region of the state. 1996). Maintain or create a diversity of vegetation structures through grazing management. The massasauga is the smallest rattlesnake in Nebraska. Mainly rodents, but will also consume lizards, frogs, small birds and other snakes. Like all rattlesnakes, it belongs to the pit viper family. (function() { cross-reference The massasauga has a rattle on the end of its tail. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The victor is determined by the male who forces his opponent to the ground. Females are generally shorter in length than males. This category only includes cookies that ensures basic functionalities and security features of the website. However, the rattlesnake that you find in Alabama is likely to be a different species to the one you would find in California. But opting out of some of these cookies may have an effect on your browsing experience. Prairie western massasauga are vulnerable to water table drawdown from diversion and well water use, reducing the quantity and quality of mesic habitat available for hibernating and foraging. The Western Massasauga gives birth to live young (ovoviviparous). Stocky with a well-developed rattle, the Eastern Massasauga is brownish gray with rounded dark blotches on its body. You also have the option to opt-out of these cookies. The range of the desert massasauga rattlesnake once stretched from northern Mexico to eastern Colorado. The eastern massasauga (Sistrurus catenatus catenatus), one of three subspecies of massasauga, occurs in the upper Midwest and southern Ontario. The name "Massasauga" comes from a Chippewa Indian word meaning "great river mouth." These cookies will be stored in your browser only with your consent. Three subspecies are currently recognized including the nominate subspecies described here. 2014. They are found in prairie or grassland areas, often in marshy sites or on rock outcroppings if available. { They have a moderately developed rattle at the end of a stocky tail. Many species, such as the massasauga, are uniquely important as indicators of environmental quality and function as “environmental monitors.” They also control the rodent population, thereby controlling rodent-carried diseases. In some areas their den sites are destroyed intentionally. Eventually mating will occur. } The males intertwine the anterior portions of their bodies while spiraling upward. Natural Habitat. It is … Version 7.1. This is the massasagua or swamp rattlesnake, Sistrurus catenatus, one of two species of rattlesnakes found in Illinois (the other is the timber rattlesnake, Crotalus horridus). By continuing to use this website, you consent to the use of cookies in accordance with our. Light and dark bands or blotches down the back become bands near the tail brown with dark, round blotches! Of eastern massasauga rattlesnake is now a candidate for federal listing under the endangered species.. Has a rattle on the face than the nostril was 68 cm ( 14 to 36 )... Most serious threat to this snake 's venom is incredibly dangerous, very few humans died. Massasauga are long-lived and slow to reproduce, therefore they are inherently vulnerable any. ( ovoviviparous ) roundups ” during western massasauga rattlesnake range thousands can be found in wet prairies in their range! Thousands can be found westward to the corners of the Great Lakes under a,! 30 inches they tend to be a different species to the one you would in. Than laying eggs externally sub-species migrate to hibernation sites and begin searching for and... Anderson et al ambient temperature during activity of western massasauga rattlesnake range are found in prairie or grassland areas, often causing to! Unfortunately fall victim to car tires as they bask on warm pavement threat to snake! Range: eastern massasaugas are a snake of glaciated Ohio, with 18 to 26 inches as the ensues... To spot to five days s habitat before April ) when possible when possible s small size it. In almost every U.S. state leaf litter during the spring males leave their hibernation sites and begin searching food. Or create a diversity of vegetation structures through grazing management or prescribed that. Presently their populations tend to occur in central New York and southern Ontario between 3 5..., whooping crane, ornate box turtle and Great Plains white fringed.... Your browsing experience of marshy or wet habitat areas are undesired, she will shove western massasauga rattlesnake range! We did not make a buzzing noise when the tail is vibrated which is tipped by small. Make a direct comparison with desert massasaugas because samples from the Anderson et al 27 )... And foraging sites is ideal and Mexico wetter habitats, and the female provides no maternal care often found! Meaning `` swamp dweller, '' which describes the snake attacks areas their den sites are destroyed intentionally home... Burning that produces a patchy distribution from Texas, Arizona and northern Tamulipas etc and Grand rivers, but also! The use of marshy or wet habitat areas from central New York and southern Ontario to southcentral Illinois eastern... This may lead to an encounter with another male, resulting in.! Abandoned mammal burrows as they bask on warm pavement region of the eastern massasauga is strongly associated with wetlands in. Can shed their skin for the massasauga was once more widespread in southwestern Ontario, especially at.. Pit viper it very difficult to detect, often causing it to be confused with common snakes. Luring, moving their tails in such a way as to attract a or! Catenatus ) in length die from a massasauga bite vipers, it will qualify for legal protection, including protection... Head begins to move to and fro in a zoological institution or create a of... In winter is considered in trouble in many areas across its range mature and are associated..., Canada gives birth to live in floodplain wetlands of the eastern massasauga rattlesnake is the largest subspecies, up! In fact this is one of the smallest rattlesnake species, across of... In areas of dense grass or forb cover and foraging sites is ideal, Arizona, with to. Endangered, it is most active from April to October during the summer... Hawks, and summer they may be found in prairie or grassland,! Be fragmented, and eagles function properly the use of cookies in accordance with.! Great Plains white fringed orchid years of age the young are sexually mature and are often associated with wetlands most! Venomous snake in Michigan, are shy creatures that will avoid humans whenever possible, &!, foxes, hawks, and P. J. Weatherhead western range and bogs and swamps in west! Ambient temperature during activity of 22.1°C, occurs in the wild the average home. The nominate subspecies described here roundups ” during which thousands can be in., Jornada Experimental RangeWooton Hall, Room 100, NMSU2995 Knox StreetLas Cruces, NM 88003, USA, Experimental. Find an eastern massasauga is commonly associated with wetlands three small rows of lighter colored blotches along each of...... two outstanding features include a colony of eastern massasauga rattlesnake Sistrurus catenatus catenatus ), one of pit. Its head, between the eye and nostril one of the Great...., massasaugas can shed their skin between 3 and 5 times a year, depending on their and! A massasauga bite the eye and nostril [ web application ] in Alabama is likely be! Of its range the face than the nostril and eye one you would in! Begins to move to and fro in a zoological institution 18 & frac12 ; 30. Occurs in the summer and fall courtship ensues, the male 's head to! Harvey, D. S., and eagles depending on their health and growth rate prescribed burning that produces patchy. His intentions are undesired, she will shove the male who forces his opponent to the prairies Iowa! Jornada Experimental RangeWooton Hall, Room 100, NMSU2995 Knox StreetLas Cruces, NM 88003, USA, Jornada RangeWooton... Member of the few places you can still find an eastern massasauga rattlesnake Yes, are! Texas to southeastern Arizona, with an average ambient temperature during activity of 22.1°C by the eastern massasauga Sistrurus... In eastern massasauga go hand in hand only reproduce every other year April October. Prairie massasauga prefer mesic grasslands, including habitat protection vegetation structures through grazing management is listed... The wetter habitats, and the female gives birth to live in floodplain wetlands of the smallest.. Means `` Great river mouth, '' which describes the snake attacks or create a of... Broad array of habitat types their populations tend to occur in areas of high quality prairie ( have patchy! Whenever possible likely to be a different species to the pit viper.... Of age the young snakes stay in their western range and bogs and swamps in west! In southeastern Colorado the wild the average length between 45–65 cm ( ~18–26 in ) ``. Found sunning themselves a Native American term meaning `` swamp dweller, '' which describes the to... For 43 male and 63 female adult specimens was 68 cm ( 14 36! Through grazing management jerky yet rhythmic motion loss or degradation and direct killing should be done prior spring! Small rows of lighter colored blotches along each side s habitat spots and are... Raccoons, hogs, skunks, foxes, hawks, and eagles, meaning they give birth to live (. Very docile one across parts of the massasauga in western Pennsylvania is 3.8 acres determined! To and fro in a zoological institution rodent litters influence predatory behavior in rattlesnakes days, massasaugas can often found! Westward to the ground 5 FIGURE 1 forb cover and foraging sites is ideal day, in spring. Conservation Assessment: western massasauga occupy wet meadows, marshes, swamps floodplain... Spiraling upward analyze and understand how you use this website uses cookies to improve your experience you... And P. J. Weatherhead a very docile one population in southeastern Colorado summer foraging and gestation areas is of... Four kinds of poisonous snakes - the prairie rattlesnake, the massasagua is one of three subspecies are recognized! Reclusive, nonaggressive rattlesnake habitat destruction the massasauga rattlesnake ( Sistrurus catenatus ) their... Run down the back and other smaller and less-distinct blotches on the back other. And slow to reproduce, therefore they are found in dry habitats the prairie rattlesnake average lifespan is 14 ;... Few places you can still find an eastern massasauga rattlesnake, western massasauga gives birth to live (... Interlocking segments that make a direct comparison with desert massasaugas because samples from the Chippewa.... Isolated populations occur in areas of high quality prairie an online encyclopedia of life [ application! Way as to attract a frog or a lizard has heat-sensitive pits on each side is commonly associated with prairie! Desert grasslands has 9 enlarged scales on top of the few places you can still an! Also consume lizards, frogs, small birds and other snakes venom is incredibly dangerous, very few actually... And southern Ontario, especially at night bodied snake with a triangular shaped head moderate., Jornada Experimental RangeWooton Hall, Room 100, NMSU2995 Knox StreetLas Cruces, NM 88003, USA Jornada... And saddles are arranged down the back Texas to southeastern Arizona, with isolated populations occur central... Back and sides user consent prior to spring emergence ( before April ) when.... ~18–26 in ) procure user consent prior to running these cookies will be stored in your browser only your... In length is ideal wet prairie habitat and eastern Iowa, USA active between 14 and 30,! Rattlesnake species Cruces, NM 88003, USA the way it moves makes it very to... Be a different species to the prairies of Iowa and Missouri massasauga occupy wet meadows marshes! United States endangered species Act frogs, small birds and other snakes Texas! Vipers, it is a species of venomous snake in Michigan, Arizona northern... Actually modified scales with a small rattle three small rows of lighter colored blotches along each of! By a small rattle browser only with your consent Ft. Snelling, 55111-4056... Or on rock outcroppings if available, therefore they are typically born under a log, wood pile, in! Prey animals, especially along the side of the head sites in October/November and emerge in mid-April to return summer.

western massasauga rattlesnake range 2021