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). There are three recognized subspecies of this species. 2001) • Spring emergence (April-May) and mid/late summer (late July/early Aug) for gravid females (fall migration) • Visual searches (coverboards, drift fences/funnel traps) • Weather –50/60-80oF, >50% cloud cover, and less than 15 mph breeze. A fox snake's tail ends in a sharp point, but it does not have the rattling segments you see on the tail of a massasauga or another rattlesnake, according to the history survey. Historically, they could be found in a variety of wetlands and nearby upland woods throughout the lower peninsula. They are becoming rare in many parts of their former range and throughout the Great Lakes area, due to wetland habitat loss … This park is home to the federally protected eastern massasauga rattlesnake. Fish and Wildlife Service is protecting the eastern massasauga rattlesnake (Sistrurus catenatus) as a threatened species under the Endangered Species Act. ON THE TRAIL Explore over 700 acres of forests, fields, fens, and swamps. Michigan has the largest population of Eastern Massasauga Rattlesnakes in the country, despite the population declining. There are dark stripes on both sides and top of the head. A bite from a massasauga can be very painful and is potentially life threatening. Michigan's only rattlesnake, the Massasauga is poisonous but generally not fatal except possibly to small children and the elderly. Although the massasauga rattlesnake is thought to be in decline throughout much of its range, only the eastern subspecies (Sistrurus c. catenatus) is currently under Aaron writes that he spent an entire summer tracking 18 of these snakes around the park and watching their habits and where they went throughout the season. Jun 18, 2013 - Bothered, photo by Aaron Fortin. That’s mainly because of their unique habitat requirements. The Michigan DNR page on the Eastern Massasauga Rattlesnake (Sistrurus catenatus catenatus) explains: Michigan’s only venomous snake is a rare sight for most state residents. Like all rattlesnakes, it is a pit viper. Not at all, but there are certainly counties on the historic map which have not had massasauga observations for twenty years or more. Eastern Massasauga Rattlesnake - Venomous Scientific Name: Sistrurus catenatus catenatus Size: 18.5 – 39.5” (adult total length) Status: Federal status: Threatened; Michigan State Status: Special Concern; MDNR Wildlife Action Plan Status: Species of Greatest Conservation Need Habitat: Prefer damp lowland areas, including river bottom woodlands, shrub swamps, bogs … You can see more of his rattlesnake photos (slideshow) incl… In a project managed by the Eastern Massasauga Rattlesnake Species Survival Plan® (SSP) and Lincoln Park Zoo, more than 20 zoos, the Edward Lowe Foundation, Northern Illinois University, and several wildlife agencies are studying a healthy massasauga population in Michigan. The trails vary in length from one half mile to two miles and can be combined for as long a walk as your time allows. PDF Version . Photo courtesy of Mich Dept. It swam across the river and slithered right up to within 20 feet of the cabin. About Eastern Massasauga Rattlesnake. What action is the U.S. As a result of the tremendous declines experienced by this species, the Eastern Massasauga has been added to the U.S. This was one of those times where a zoom lense better than 4x would have been nice! The U.S. As with all vipers, this rattlesnake has hollow fangs that are used to inject poisonous saliva, or … Eastern Massasauga Questions and Answers - Final Decision to List the Eastern Massasauga Rattlesnake as a Threatened Species. The concentrations recognized in the herp atlas map are accurate in terms of the three major clusters in the state; southeast, southwest, and northern. Eastern Massasauga (Sistrurus catenatus) is a State Endangered Species and a Federally Threatened Species. 1. Massasauga rattlesnakes were listed as a federally threatened species under the Endangered Species Act in 2016 and are thereby protected animals. Rattlesnake-1, Rattlesnake-2 and Rattlesnake-3: The massasauga rattlesnake is Michigan’s only venomous snake. This particular specimen is the only one I have seen in the wild. 1993. Fish and Wildlife Service’s Candidate Species List. Endangered Species Act (Act). U.S. The Massasauga (Sistrurus catenatus) is a stout-bodied, relatively small rattlesnake that feeds primarily on small mammals. The massasauga rattlesnake is Michigan’s only venomous snake. The species has been recorded in every county of the Lower Peninsula and only Mackinac County in the Upper Peninsula. This snake has a rather small, but noticeable, rattle on the end of its tail. Fish and Wildlife Service, Ft. Snelling, MN 55111-4056 52 pp. The Michigan DNR says that the Eastern Massasauga Rattlesnake (Sistrurus catenatus catenatus) is Michigan’s only venomous snake. Johnson, B. and V. Menzies, eds. It is assessed as Threatened by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) due to a historical population decline, continued habitat fragmentation and loss, and human persecution, and is listed as Threatened on … The Desert Massasauga, Sistrurus catenatus edwardsii, inhabits xeric grasslands from western Texas to southeastern Arizona and occurs in Lots of fun trekking through swamps, up hills, through shrubbery, etc. (e.g., right-of-way mowing, culvert replacement, herbicide use for vegetation control) on eastern massasauga rattlesnakes (EMR). Fish and Wildlife Service taking? Northern Water snake (Nerodia sipedon) Eastern Fox snake (Elaphe vulpina and Elaphe gloydi) The Massasauga rattlesnake is a rather timid animal, and will go out of its way to avoid humans. of Natural Resources. These snakes used to be widespread across the state, but records show that they have become much rarer. The Eastern Massasauga Rattlesnake is a true pit-viper; the only venomous snake found in Oakland County.They are well camouflaged, docile and secretive and would rather escape than strike when threatened and that may explain a fact noted by emergency medical professionals: on the rare occasion when a rattlesnake strikes it almost always occurs on the … Massasauga rattlesnake is a species of venomous snake occurring in the midwestern North America. Feed only birds that land in your hand, other wildlife feeding is not permitted. Soon after, he determined the snake was an Eastern massasauga rattlesnake – Michigan’s only venomous snake and rattlesnake, according to the … The Eastern Massasauga Rattlesnake: A Handbook for Land Managers. The Eastern Massasauga Rattlesnake is dark colored and stocky with a thick, triangular shaped head. Eastern massasauga rattlesnakes are ectothermic creatures which means they’re dependent on their environment for heat. The Eastern Massasauga is listed as state Endangered in all Midwest states save Michigan, where it is considered a species of Special Concern. Proceedings of the International Symposium and Workshop on the Conservation of the Eastern Massasauga Rattlesnake Sistrurus catenatus catenatus, May 8-9, 1992. The massasauga is Michigan’s only venomous snake and is listed as a threatened species by the USFWS under the Endangered Species Act. The Rattlesnake does exist in Michigan to clear it up for anyone who thinks different. Michigan's lone venomous snake, the eastern massasauga rattlesnake, has received federal protection as a threatened species under the Endangered Species Act, the U.S. According to the Michigan DNR, the only venomous snake in the state is the eastern massasauga. Michigan has the largest number of these small rattlesnakes, but the population is … In fact, Michigan has become an important laboratory for the study and preservation of one of them, the eastern massasauga rattlesnake, the only venomous viper that inhabits the state. There have … Ontario and Michigan, the province and state with the most massasaugas, … Our goal is to document their distribution and help measure changes or trends in populations. 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. Habitat-1 and Habitat-2: Massasauga rattlesnakes are found in wetland areas in Michigan. Other rattlesnake species live in harsh deserts, or woodland full of potential predators. But, because of the snake’s elusive and shy behavior, people rarely are bitten by them. Michigan Natural Features Inventory Surveying for Massasaugas § Standard survey protocol –USFWS (Casper et al. The Michigan Herp Atlas began in 2004 in an effort to collect observational data about Michigan's amphibians and reptiles. + appx. The body is marked along back and sides with rounded dark blotches against a gray or brownish gray background. The eastern massasauga rattlesnake belongs to the pitviper group, which are members of the larger reptile family, vipers. Massasauga Rattlesnake Pictures Gallery It is protected as a federally threatened species under the Endangered Species Act. Michigan Eastern Massasauga Rattlesnake (Sistrurus catenatus catenatus) The eastern massasauga currently is listed as a species of special concern by the Michigan Department of Natural Resources, and is listed as a candidate species under the Federal Endangered Species Act. 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