[6] Males are slightly larger and heavier than females on average. Find how the Government of Saskatchewan governs and serves the province. A GT2006 set over the burrow of a Richardson’s ground squirrel. A female ground squirrel's home range during summer months averages about 240 square metres, and its borders will often overlap with those of its neighbours. The dorsum is light pinkish or cinnamon buff with a dappled posterior and light, countershaded ventrum. Ample bait must be made available at all times to achieve adequate control. Adult ground squirrels may hibernate as early as July, though in their first year, the young ground squirrels do not hibernate until September. (PCP# 23236), Strychnine High Moisture RTU Baits (Registered), Fairview Gopher Cop R.T.U.W. Preferred HabitatA colonial species, Richardson’s Ground Squirrels prefer intact blocks of rangeland. Females tend to be territorial and will defend their nesting sites. They eat forage grasses, forage legumes, cereal crops, pulse crops, canola and native grasses. Sometimes squirrels can be captured young in areas where they are a problem. hibernation of Richardson’s ground squirrels, control measures are likely to be effective only if they are implemented at appropriate times of year. An evaluation of available scientific information has not shown that risks to the environment are acceptable when strychnine is used according to the current conditions of registration, or when addition… Weights vary greatly with time of year and with location: at emergence from hibernation the squirrels weigh between 200 and 275 g (0.441–0.606 lb) for females and between 350 and 450 g (0.77–0.99 lb) for males. The hibernaculum system is constructed off the main burrow system. Adults weigh from 11 to 18 ounces (308 to 504 g). Studies have shown that grazing practices that favour taller grass stands may reduce the number of RGS because of their preference for short grasses. The efficacy of grain baits, regardless of the active ingredient, can drop below 30 per cent after green growth appears in the spring and provides ground squirrels with more feeding choices. The tail is about one-fourth of the total body length and is blackish to buff with whitish hairs on the outer edges and end. It is buffy yellow to grayish in color. The whistle is given in response to terrestrial predators, while the chirp is given in response to aerial predators such as hawks.[8]. Ground Squirrel Control in Montana Jim Knight, Ph.D., MSU Extension Wildlife Specialist, and Joe Parks, MSU Toole County Extension Agent The most prominent ground squirrel found in Montana is the Richardson ground squirrel that prefer the meadow and grassland. [10] The government of Saskatchewan declared the animals pests in 2010, allowing local governments to employ gopher control measures. Health Canada has completed the re-evaluation of strychnine (Richardson’s ground squirrels). Fig. [14], "Out There: Cannibalistic gophers risk death for roadside meal", http://fieldguide.mt.gov/speciesDetail.aspx?elcode=AMAFB05040, "Gophers notch a win in man-rodent battle", "Humane society slams gopher-killing derby", American Society of Mammalogists species account (pdf), Information on keeping Richardson's ground squirrels as pets, Dr. Gail Michener's site on Richardson's ground squirrel, https://en.wikipedia.org/w/index.php?title=Richardson%27s_ground_squirrel&oldid=994109118, Fauna of the Plains-Midwest (United States), Articles with unsourced statements from February 2020, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 December 2020, at 03:39. Find services and information for Saskatchewan residents and visitors. and Farmers and ranchers have developed a variety of ways to exterminate ground squirrels besides trapping, shooting and poisoning. They are not simply restricted to prairie; sometimes they adapt to suburban environments, causing them to be seen as pests because of the burrows they dig. This squirrel was named after the Scottish naturalist Sir John Richardson. One such process fills the burrows with a mixture of oxygen and propane and then ignites the gas mixture. The fast acting CO will quickly fill a large burrow system. A Richardson Ground Squirrel’s aka ‘Gophers’, tail is constantly trembling, hence the nickname “Flickertail”. They are brownish gray in colour and speckled with off white along the back; the sides of the head and shoulders are light gray to whitish. Richardson Squirrel Removal can help you with all of your squirrel control issues in the Richardson area. 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