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Journal articles on the topic 'Eastern chipmunk'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Bowman, Jeff, and Lenore Fahrig. "Gap crossing by chipmunks: an experimental test of landscape connectivity." Canadian Journal of Zoology 80, no. 9 (September 1, 2002): 1556–61. http://dx.doi.org/10.1139/z02-161.

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Eastern chipmunks (Tamias striatus) are forest specialists common to eastern North America. Numerous studies suggest that chipmunks require fencerow corridors between woodlots to maintain functional connectivity in agricultural landscapes. We tested this hypothesis by conducting a homing experiment to assess whether chipmunks would cross nonforested gaps of different sizes. Chipmunks in 11 landscapes were translocated a constant distance of 220250 m across gaps ranging in size from 0 (continuous forest) to 240 m (mostly gap). Logistic regression analysis demonstrated that the probability of an adult chipmunk returning to its home range was not related to the size of the gap that had to be crossed (χ2 = 0.781, n = 60, P = 0.377, ρ2 = 0.011). Chipmunks crossed the entire range of gap sizes and there was no evidence of a threshold in connectivity. These results suggest that forest woodlots may be functionally connected for chipmunks even without fencerow corridors, and that landscape configuration in the study area may not have isolating effects on chipmunk populations. More empirical studies are required to identify whether functional connectivity thresholds are present in mammal populations as theoretical studies suggest.

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2

Mahan, Carolyn G., and Richard H. Yahner. "Effects of forest fragmentation on behaviour patterns in the eastern chipmunk (Tamias striatus)." Canadian Journal of Zoology 77, no. 12 (December 1, 1999): 1991–97. http://dx.doi.org/10.1139/z99-174.

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We examined behaviour in adult eastern chipmunks (Tamias striatus) from 1992 to 1995 in a landscape altered by forest clear-cutting in central Pennsylvania, U.S.A. Our objective was to compare behaviour patterns in chipmunk populations occupying mature continuous forest versus mature forested corridors (100 m wide) surrounded by clearcuts. Chipmunks spent a significantly greater proportion of their time pausing in the forested-corridor habitat than in the continuous-forest habitat. In addition, chipmunks spent less time locomoting and foraging in the forested-corridor habitat than in the continuous forest. We attributed differences in behaviour patterns between chipmunks in the two forest types primarily to the influence of forest fragmentation on the risk of predation and to the availability of food resources.

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3

Côté, Mathieu, and Jean Ferron. "Short-term use of different residual forest structures by three sciurid species in a clear-cut boreal landscape." Canadian Journal of Forest Research 31, no. 10 (October 1, 2001): 1805–15. http://dx.doi.org/10.1139/x01-116.

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We compared the abundance of red squirrel (Tamiasciurus hudsonicus Erxleben), northern flying squirrel (Glaucomys sabrinus Shaw), and eastern chipmunk (Tamias striatus L.) in three types of black spruce (Picea mariana (Mill.) BSP) residual forest 3 to 5 years after logging (upland strips, riparian strips, and forest blocks) in central Quebec, Canada. Controls consisted of mature forest undisturbed by forestry practices. Despite their sporadic occurrence, northern flying squirrels and eastern chipmunks were captured in the three residual forest types as well as in control sites. Red squirrels inhabited all types of residual forest and no differences in densities were found between residual forest treatments and controls. Juvenile recruitment, return rate (survival), and body mass were also similar for red squirrels in all treatments. However, midden abundance was higher in controls and blocks than in strips. In the short term, red squirrel populations maintain themselves in all types of residual black spruce forests after logging. The northern flying squirrel and the eastern chipmunk appear to tolerate the presence of logging disturbances and are present at low density in the different types of residual forests.

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4

White, Matthew M., and Gerald E. Svendsen. "Genic homogeneity among temporal populations of the eastern chipmunk (Tamias striatus)." Canadian Journal of Zoology 68, no. 10 (October 1, 1990): 2169–73. http://dx.doi.org/10.1139/z90-300.

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A population of eastern chipmunks (Tamias striatus) was surveyed for allozyme variation over two distinct reproductive seasons each year during 1987 and 1988. Individuals were placed into resident, recruit, and disappearing individual categories for the allozyme analysis. The resident population declined by 43% during the period of the study. Individuals in the recruit and emigrant categories accounted for about 50% of the population each season and the number in each of these categories varied widely from season to season. No inbreeding, based on genotype frequencies, was observed within the resident population. No significant genic heterogeneity was observed among temporally separated populations of chipmunks in the resident, recruit, or disappearing individual categories. The high levels of additions and losses from the population and the complex age-structure of chipmunk populations were likely the major contributors to the lack of inbreeding and seasonal differentiation. These results are contrasted with the more widely studied microtine systems.

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5

Hall, C. L., M. M. Humphries, and D. L. Kramer. "Resource tracking by eastern chipmunks: the sampling of renewing patches." Canadian Journal of Zoology 85, no. 4 (April 2007): 536–48. http://dx.doi.org/10.1139/z07-030.

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When food patches vary in quality over time, sampling by repeated visits can allow animals to track this variation and improve their foraging success. Sampling, however, requires spending time visiting patches that are currently poor. The optimal investment in sampling should depend on characteristics of the patch, the animal, and the environment, but there are few empirical studies of these relationships in nature. Here, we describe discovery, exploitation, and sampling of randomly varying artificial food patches by free-ranging eastern chipmunks ( Tamias striatus (L., 1758)). Chipmunks effectively tracked variation over a broad time scale, discovering patches within a few days, sampling and exploiting over several weeks, and decreasing sampling when renewals ceased. Sampling allowed the chipmunks to track variation on an hourly scale through rapid discovery of renewals. Sampling rates were high (median = 0.3 visits·individual–1·h–1; range = 0–4.2). Sampling was not affected by the frequency or magnitude of patch renewal but was lower for chipmunks whose burrows were farther from the patch. Sampling is an important part of chipmunk foraging strategy, but the difficulty of estimating patch quality and renewal rate and the effects of competition may prevent a close matching between sampling rate and patch characteristics under natural conditions.

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6

Hopkins, M. Camille, Steven D. Zink, Sally L. Paulson, and Dana M. Hawley. "Influence of Forest Disturbance on La Crosse Virus Risk in Southwestern Virginia." Insects 11, no. 1 (December 30, 2019): 28. http://dx.doi.org/10.3390/insects11010028.

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Forest disturbance effects on La Crosse virus (LACV) are currently unknown. We determined the abundance of three LACV accessory vectors (Aedes albopictus, Ae. canadensis, and Ae. vexans) and the primary amplifying host (Eastern chipmunk; Tamias striatus), and tested for LACV prevalence in both vectors and chipmunks, across a gradient of experimental forest disturbance treatments in southwest Virginia. Forest disturbance significantly affected the abundance of LACV accessory vectors, with a higher abundance on disturbed sites for Ae. canadensis and Ae. vexans. However, there was no significant disturbance effect on chipmunk abundance. Forest disturbance significantly affected LACV prevalence in mosquito vectors, with most (80%) detections on unlogged control sites, which past work showed harbor the highest abundance of the two most common LACV vectors (the primary vector Aedes triseriatus, and Ae. japonicus). Interestingly, LACV nucleic acid was only detected in Ae. japonicus and Culex pipiens/restuans, with no detections in the primary vector, Ae. triseriatus. In contrast to the vector results, antibodies were only found in chipmunks on logged sites, but this result was not statistically significant. Overall, our results suggest that human LACV risk should generally decline with logging, and reveal the potential importance of accessory vectors in LACV maintenance in Appalachian forests.

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7

Bouffard, Jeremie, Dany Garant, and Patrick Bergeron. "Dynamics of ground-nest egg depredation by rodents in a mixed-wood forest." Canadian Journal of Zoology 98, no. 1 (January 2020): 47–54. http://dx.doi.org/10.1139/cjz-2019-0141.

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Predation is a leading cause of nest failure in birds, which has significant consequences on their population dynamics. Rodents commonly prey on nests in deciduous forest habitats. This has important implications considering how rodent populations fluctuate with changes in resource availability, such as synchronized but intermittent tree-seed production (mast). In this study, we investigated ground-nest egg predation by rodents over 2 years characterized by high and low beech (Fagus grandifolia Ehrh.) seed availability (mast vs. no-mast years). We used artificial nests monitored by motion-sensing cameras on a study site where eastern chipmunk (Tamias striatus (Linnaeus, 1758)) local abundance was known. We placed the artificial nests in areas of high and low chipmunk abundance as proxy of predation risk. Blue Jays (Cyanocitta cristata (Linnaeus, 1758)) depredated the most eggs overall, but rodent population and egg depredation increased in 2018 following the 2017 mast. However, chipmunks were minor predators and their local abundance did not reflect predation risk. Our results highlight the complexity of predation dynamics on ground-nesting birds and the importance of studying them locally and over multiple years.

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8

Teron, Jocelin N., and Leonard J. Hutchison. "Consumption of Truffles and other Fungi by the American Red Squirrel (Tamiasciurus hudsonicus) and the Eastern Chipmunk (Tamias striatus) (Sciuridae) in Northwestern Ontario." Canadian Field-Naturalist 127, no. 1 (July 15, 2013): 57. http://dx.doi.org/10.22621/cfn.v127i1.1408.

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Faecal matter collected from the American Red Squirrel (Tamiasciurus hudsonicus) and the Eastern Chipmunk (Tamias striatus) on the campus of Lakehead University in Thunder Bay, Ontario, was examined for the presence of consumed fungal tissue. A total of 14 faecal samples were collected from live-trapped animals over six trapping periods (19 June to 25 September 2010). Eight samples contained intact remains of spores representative of hypogeous truffle fungi found in the genera Elaphomyces, Gautieria, Hymenogaster, Hysterangium, and Leucangium, as well as spores of epigeous mushrooms found in the orders Boletales and Pezizales and possibly in the family Tricholomataceae of the Agaricales. The results of this brief survey suggest not only the importance of mycophagy in the diet of American Red Squirrels and Eastern Chipmunks in the boreal mixed wood forests of northwestern Ontario but also the important role played by sciurids in vectoring spores of truffle fungi in this region.

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9

Silva, Karen Burke da, Donald L. Kramer, and Daniel M. Weary. "Context-specific alarm calls of the eastern chipmunk, Tamias striatus." Canadian Journal of Zoology 72, no. 6 (June 1, 1994): 1087–92. http://dx.doi.org/10.1139/z94-146.

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The structure and context of alarm calls produced by chipmunks (Tamias striatus) at a field site in southern Quebec were recorded during opportunistic field observations and experimentally simulated hawk attacks. Chipmunks produced three call types in the presence of predators. Chipping consisted of a series of high frequency notes with a rapid downward frequency slope (9.6 to 2.8 kHz) and was given in the presence of mammalian predators by chipmunks perched on a raised vantage point. Chucking consisted of a series of lower frequency notes also sloping downwards (2.5 to 0.4 kHz), given in the presence of avian predators by perched animals. The trill was a lower amplitude, multi-note call usually given only once by animals before reaching a refuge while fleeing from either type of predator. The average trill contained 6–11 downward sloping notes (7.3 to 0.8 kHz). The alarm call types of eastern chipmunks appear to be similar to those reported for western chipmunks. However, they differ in the clear separation of the calls for aerial and terrestrial predators. Chipmunks differ from most other terrestrial sciurids in giving repeated calls for aerial as well as terrestrial predators and in using a call just before reaching a secure refuge.

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10

Lautenschlager, R. A., F. Wayne Bell, and Robert G. Wagner. "Alternative conifer release treatments affect small mammals in northwestern Ontario." Forestry Chronicle 73, no. 1 (February 1, 1997): 99–106. http://dx.doi.org/10.5558/tfc73099-1.

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Density changes of small mammals responding to different conifer release treatments (motor-manual [brush saw] cutting; mechanical [Silvana Selective] cutting; helicopter-applied herbicides [Release® (a.i. triclopyr), Vision® (a.i. glyphosate)]; controls [no treatment] were quantified. A total of 4,851 small mammals were captured and released during the three-year study. The most commonly captured (81% of total) species were: shrews (masked [Sorex cinereus Kerr], pygmy [S. hoyi Baird], arctic S. arcticus Kerr]), southern red-backed voles (Clethrionomys gapperi Vigors), and deer mice (Peromyscus maniculatus Wagner). Northern short-tailed shrews (Blarina brevicauda Say), eastern (Tamias striants L.) and least (T. minimus Bachman) chipmunks, meadow voles (Microtus pennsylvanicus Ord), ermine (Mustela erminea L.), and meadow jumping mice (Zapus hudsonius Zimm.) were common. Shrew (masked, pygmy, arctic, short-tailed) densities were statistically unaffected by these treatments. Red-backed vole densities were highest on control plots during the first post-treatment growing season, and highest on control and Vision® plots during the second post-treatment growing season. During the first two growing seasons after treatment, deer mouse densities were highest on Silvana Selective plots; eastern chipmunk densities were highest on control, Vision® and Silvana Selective plots; least chipmunk densities were highest on Vision® and Release® plots; and meadow vole densities were highest on Release® plots. Small mammal responses to the alternative conifer release treatments examined were species specific one and two-growing seasons post-treatment, but similar to responses common to the standard (Vision® herbicide) conifer release treatment. Key words: conifer release, Fallingsnow Ecosystem Project, glyphosate, herbicides, Release®, small mammals, spruce plantation, triclopyr, vegetation management alternatives, Vision®, wildlife habitat

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11

White, M. M., and G. E. Svendsen. "Spatial-Genetic Structure in the Eastern Chipmunk, Tamias striatus." Journal of Mammalogy 73, no. 3 (August 21, 1992): 619–24. http://dx.doi.org/10.2307/1382033.

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12

Davis, Andrew K., Natalie Woodall, Jake P. Moskowitz, Nikole Castleberry, and Byron J. Freeman. "Temporal Change in Fur Color in Museum Specimens of Mammals: Reddish-Brown Species Get Redder with Storage Time." International Journal of Zoology 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/876347.

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Museum collections have great value for zoological research, but despite careful preservation, over time specimens can show subtle changes in color. We examined the effect of storage time on fur color of two reddish-brown species, golden mice (Ochrotomys nuttalli) and eastern chipmunk (Tamias striatus). Using image analysis, we obtained color data (hue, saturation, and density) on 91 golden mice and 49 chipmunks from Georgia, USA. Analyses that considered body size, gender, and collection year showed significant effects of year on fur color of golden mice (hue and saturation) and of agouti color of chipmunks. Older specimens tended to be redder in color than newer specimens, consistent with a prior study of red bats (Lasiurus borealis). Hair samples showed reddening of fine body hairs, but not in thicker guard hairs. There was no temporal change in black or white stripe color in chipmunks, indicating that this temporal effect would be limited to species with reddish-brown fur. This effect may be caused by breakdown of eumelanin pigments (which make dark colors) over time, leaving a greater proportion of pheomelanin pigments (which make red colors). These results show that storage time needs to be considered in research projects where fur color is of importance.

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13

Careau, V., D. Garant, and M. M. Humphries. "Free-ranging eastern chipmunks (Tamias striatus) infected with bot fly (Cuterebra emasculator) larvae have higher resting but lower maximum metabolism." Canadian Journal of Zoology 90, no. 3 (March 2012): 413–21. http://dx.doi.org/10.1139/z2012-008.

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Given the ubiquity and evolutionary importance of parasites, their effect on the energy budget of mammals remains surprisingly unclear. The eastern chipmunk ( Tamias striatus (L., 1758)) is a burrowing rodent that is commonly infected by cuterebrid bot fly ( Cuterebra emasculator Fitch, 1856) larvae. We measured resting metabolic rate (RMR) and cold-induced Vo2-max (under heliox atmosphere) in 20 free-ranging individuals, of which 4 individuals were infected by one or two larva. We found that RMR was significantly higher in chipmunks infected by bot fly larvae (mean ± SE = 0.88 ± 0.05 W) than in uninfected individuals (0.74 ± 0.02 W). In contrast, Vo2-max was significantly lower in chipmunks infected by bot fly larvae (4.96 ± 0.70 W) than in uninfected individuals (6.37 ± 0.16 W). Consequently, the aerobic scope (ratio of Vo2-max to RMR) was negatively correlated with the number of bot fly larvae (infected individuals = 5.74 ± 1.03 W; noninfected individuals = 8.67 ± 0.26 W). Finally, after accounting for the effects of body mass and bot fly parasitism on RMR and Vo2-max, there was no correlation between the two variables among individuals within our population. In addition to providing the first estimate of Vo2-max in T. striatus, these results offer additional evidence that bot fly parasitism has significant impacts on the metabolic ecology of this host species.

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14

Zhang, Xue, Theodore G. Wensel, and Timothy W. Kraft. "GTPase Regulators and Photoresponses in Cones of the Eastern Chipmunk." Journal of Neuroscience 23, no. 4 (February 15, 2003): 1287–97. http://dx.doi.org/10.1523/jneurosci.23-04-01287.2003.

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15

Abolit, Darrell, and John Gilhen. "Eastern Chipmunk, Tamias striatus, Attack on a Maritime Garter Snake, Thamnophis sirtalis pallidulus, at Cooks Lake, Halifax County, Nova Scotia, Canada." Canadian Field-Naturalist 125, no. 1 (January 1, 2011): 55. http://dx.doi.org/10.22621/cfn.v125i1.1125.

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Sciurids are often seen eating carrion on roads but are rarely seen attacking live prey. We report a rare incident of an Eastern Chipmunk, Tamias striatus, attacking (but not eating) a Maritime Garter Snake, Thamnophis sirtalis pallidulus, at Cooks Lake, Halifax County, Nova Scotia, Canada, on 29 September 2009 at 1315 h.

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16

Galloway, Martin, and Rudy Boonstra. "Response of the Eastern Chipmunk, Tamias Striatus, to Sex Ratio Manipulations." Oikos 55, no. 1 (May 1989): 3. http://dx.doi.org/10.2307/3565865.

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17

Clarke, Michael F., Karen Burke da Silva, Hélène Lair, Richard Pocklington, Donald L. Kramer, Robert L. McLaughlin, and Helene Lair. "Site Familiarity Affects Escape Behaviour of the Eastern Chipmunk, Tamias striatus." Oikos 66, no. 3 (April 1993): 533. http://dx.doi.org/10.2307/3544949.

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18

Goddard, Jerome, G. T. Baker, and B. R. Norment. "Ectoparasites of the Eastern Chipmunk (Tamias striatus) from Tishomingo County, Mississippi." Journal of Wildlife Diseases 22, no. 1 (January 1986): 127–29. http://dx.doi.org/10.7589/0090-3558-22.1.127.

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19

Bowers, M. A. "Use of Space and Habitats by the Eastern Chipmunk, Tamias striatus." Journal of Mammalogy 76, no. 1 (February 23, 1995): 12–21. http://dx.doi.org/10.2307/1382310.

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20

Munro, D., D. W. Thomas, and M. M. Humphries. "Extreme suppression of aboveground activity by a food-storing hibernator, the eastern chipmunk (Tamias striatus)." Canadian Journal of Zoology 86, no. 5 (May 2008): 364–70. http://dx.doi.org/10.1139/z08-008.

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Eastern chipmunks ( Tamias striatus (L., 1758)) capitalize on pulsed production of storable seed from masting trees by accumulating large, long-term larder hoards in their burrow. Since this species does not accumulate fat, hoarded food is the sole source of energy used during hibernation and inactive periods. Because hoards can be very large, they offer chipmunks the possibility of forgoing aboveground foraging when seeds or nuts are not abundant on the forest floor. Here, we present evidence that at least 82 chipmunks in two different populations interrupted aboveground activity for 9–11 months when mast was not available. A large hoard of American beech ( Fagus grandifolia Ehrh.) nuts established during the preceding year appeared to allow these chipmunks to cease foraging for almost a full year when food availability was particularly low. This extended period of inactivity is among the longest reported for a hibernating mammal, and demonstrates complex interactions between past, current, and future resource availability in shaping the seasonal activity patterns of food-storing hibernators.

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21

Silva, M. "Abundance, diversity, and community structure of small mammals in forest fragments in Prince Edward Island National Park, Canada." Canadian Journal of Zoology 79, no. 11 (November 1, 2001): 2063–71. http://dx.doi.org/10.1139/z01-164.

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Anthropogenic activities in Prince Edward Island (Canada) have created a mosaic of fragmented uneven-aged forests and agricultural and pasture lands, as well as large amounts of edge habitat. Although the mammalian fauna of the province is largely composed of small mammals, no previous study has investigated how they respond to habitat fragmentation. I surveyed 14 forest fragments in Prince Edward Island National Park to assess the effects of habitat fragmentation on the abundance and diversity of small mammals. A total of 897 small mammals from 11 different species were captured during 10 231 trap-nights. The most frequently captured species were the eastern chipmunk, Tamias striatus (53.5%), and the deer mouse, Peromyscus maniculatus (24.9%). Neither species richness, total population size, nor the ShannonWiener species-diversity index (H') was significantly associated with either fragment area or perimeter length. The results also indicated no difference in species diversity between linear fragments and other-shaped fragments. The only species showing a response to edge habitat was the eastern chipmunk. We concluded that future research in Prince Edward Island National Park should assess the abilities of small mammals and their predators to use edge habitats and agricultural fields.

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22

Nelson, Dana L., Kenneth F. Kellner, and Robert K. Swihart. "Rodent population density and survival respond to disturbance induced by timber harvest." Journal of Mammalogy 100, no. 4 (June 10, 2019): 1253–62. http://dx.doi.org/10.1093/jmammal/gyz094.

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Abstract Many small mammal populations respond quickly to timber harvest aimed at oak (Quercus) regeneration, which alters microhabitat. We used mark-release–recapture data collected 6–8 years postharvest from the Hardwood Ecosystem Experiment in southern Indiana, United States, to model density and apparent survival of eastern chipmunks (Tamias striatus) and white-footed mice (Peromyscus leucopus) as a function of timber harvest treatments (shelterwood, clearcut, patch cut, and unharvested control). Density, estimated using spatial capture–recapture, increased for chipmunks in all types of harvest openings, but survival was unaffected by harvest. Chipmunk densities in unharvested forest matrix habitat averaged 58% and 71% lower relative to harvest openings and opening edges, respectively. White-footed mouse density was less responsive to timber harvest, but monthly survival rates were reduced by 13% in shelterwoods and 17% in patch cuts relative to control sites. Both rodent species tended to exhibit distance-dependent responses, with higher density of home-range centers near harvest boundaries relative to forest matrix. Structural complexity created at the edges of timber harvest openings can benefit rodents associated with edge habitat 6–8 years after harvest, presumably due to improved foraging efficiency and resource diversity. Cascading effects of rodent demographic responses are likely to affect predation and seed dispersal, which are critical trophic interactions in oak forest ecosystems.

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23

Wood, Marianna D. "The Effect of Profitability on Caching by the Eastern Chipmunk (Tamias striatus)." American Midland Naturalist 129, no. 1 (January 1993): 139. http://dx.doi.org/10.2307/2426442.

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24

Levesque, Danielle L., and Glenn J. Tattersall. "Seasonal torpor and normothermic energy metabolism in the Eastern chipmunk (Tamias striatus)." Journal of Comparative Physiology B 180, no. 2 (September 16, 2009): 279–92. http://dx.doi.org/10.1007/s00360-009-0405-x.

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25

PETERS, MAUREEN B., JULIE L. GLENN, PAM SVETE, CRIS HAGEN, OLGA V. TSYUSKO, PATRICIA DECOURSEY, MÉLISSA LIEUTENANT-GOSSELIN, DANY GARANT, and TRAVIS C. GLENN. "Development and characterization of microsatellite loci in the eastern chipmunk (Tamias striatus)." Molecular Ecology Notes 7, no. 5 (September 2007): 877–79. http://dx.doi.org/10.1111/j.1471-8286.2007.01735.x.

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26

Wakakuwa, Kazuo, Asao Washida, and Yutaka Fukuda. "Ipsilaterally projecting retinal ganglion cells in the eastern chipmunk (Tamias sibiricus asiaticus)." Neuroscience Letters 55, no. 2 (April 1985): 219–24. http://dx.doi.org/10.1016/0304-3940(85)90023-0.

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27

Vandal, Katherine, Carolyne Houle, Annie Archambault, Denis Réale, and Dany Garant. "Development and characterization of 14 microsatellites for the eastern chipmunk, Tamias striatus." Molecular Biology Reports 47, no. 8 (June 25, 2020): 6393–97. http://dx.doi.org/10.1007/s11033-020-05586-1.

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28

Morigiwa, Katsuko, Hajime Sawai, and Yutaka Fukuda. "Retinal projections to the dorsal lateral geniculate nucleus in the eastern chipmunk." Neuroscience Research Supplements 5 (January 1987): S180. http://dx.doi.org/10.1016/0921-8696(87)90369-0.

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29

Bowers, Michael A., and Robert H. Adams-Manson. "Information and Patch Exploitation Strategies of the Eastern Chipmunk, Tamias striatus (Rodentia: Sciuridae)." Ethology 95, no. 4 (April 26, 2010): 299–308. http://dx.doi.org/10.1111/j.1439-0310.1993.tb00479.x.

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30

Moser, Allison M., Corinne A. Diggins, and W. Mark Ford. "High-Elevation Observations of Long-Tailed Weasel and Eastern Chipmunk in North Carolina." Southeastern Naturalist 16, no. 3 (September 2017): N40—N42. http://dx.doi.org/10.1656/058.016.0321.

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31

Levesque, D. L., and G. J. Tattersall. "Seasonal changes in thermoregulatory responses to hypoxia in the Eastern chipmunk (Tamias striatus)." Journal of Experimental Biology 212, no. 12 (May 29, 2009): 1801–10. http://dx.doi.org/10.1242/jeb.027094.

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32

Cassel, Kevin W., Dana J. Morin, Clayton K. Nielsen, Timothy S. Preuss, and Gary A. Glowacki. "Low-intensity monitoring of small-mammal habitat associations and species interactions in an urban forest-preserve network." Wildlife Research 47, no. 2 (2020): 114. http://dx.doi.org/10.1071/wr18082.

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Abstract ContextAnthropogenic landscape modification and fragmentation result in loss of species and can alter ecosystem function. Assessment of the ecological value of urban reserve networks requires baseline and continued monitoring. However, depending on the desired indicators and parameters, effective monitoring can involve extensive sampling that is often financially or logistically infeasible. AimsWe employed a low-intensity, mixed-detector survey design to monitor the small-mammal community across a network of 53 fragmented forest preserves (225 sites) in a highly urbanised landscape in the Chicago metropolitan area from August to October, 2009–2012. MethodsWe used a sequential process to fit single-season occupancy and pairwise co-occurrence models for six common small mammal species to evaluate habitat associations and interspecific interactions. Key resultsShrew species and meadow voles occurred more often in open canopy-associated habitats, whereas occupancy was greater for eastern chipmunks, grey squirrels and white-footed mice in closed-canopy habitats. Habitat associations were complicated by negative pairwise interactions, resulting in reduced occurrence of meadow voles when predatory short-tailed shrews were present and lower occupancy rates of white-footed mouse when chipmunk competitors where present. White-footed mice co-occurred with short-tailed shrews, but detection of white-footed mice was lower when either eastern chipmunks or short-tailed shrews were present, suggesting that densities of these species could be inversely related. ConclusionsWe found evidence for both habitat segregation and interspecific interactions among small mammal species, by using low-intensity sampling across the reserve network. Thus, our sampling and analysis approach allowed for adequate assessment of the habitat associations and species interactions within a small-mammal community. ImplicationsOur findings demonstrated the utility of this monitoring strategy and community as bioindicators for urban-reserve networks. The approach described holds promise for efficient monitoring of reserve networks in fragmented landscapes, critical as human population densities and urbanisation increase, and we discuss how adaptive sampling methods could be incorporated to further benefit conservation efforts.

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Mahan, Carolyn G., and Richard H. Yahner. "Effects of Forest Fragmentation on Burrow-site Selection by the Eastern Chipmunk (Tamias striatus)." American Midland Naturalist 136, no. 2 (October 1996): 352. http://dx.doi.org/10.2307/2426739.

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Bowers, Michael A., David N. Welch, and Timothy G. Carr. "Home range size adjustments by the eastern chipmunk, Tamias striatus, in response to natural and manipulated water availability." Canadian Journal of Zoology 68, no. 9 (September 1, 1990): 2016–20. http://dx.doi.org/10.1139/z90-284.

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Capture–recapture techniques were used to study the spatial organization of a population of eastern chipmunks, Tamias striatus, over 16 weeks of an uncharacteristically dry summer and early fall. The objective was to examine the role of free water as a factor influencing home range size. Home range size was estimated for time periods of 1, 3, and 5 weeks. For animals captured more than two times, home range size estimates were not significantly correlated with the number of captures or body weight, nor did home ranges differ between males and females. Home ranges were relatively large in early summer, small in mid- to late-summer, and large again in the early fall. Home ranges were significantly smaller during the 8 weeks of greater-than-median precipitation than during weeks of less-than-median precipitation. Home ranges of 8 individuals out of 12 increased in size during a 3-week drought period relative to their pre- and post-drought home ranges. Differences in home range size between drought and nondrought periods were more pronounced for males than females. Comparison of home range size before and after the provision of supplemental drinking water showed that where water was added, chipmunks reduced the size of their home ranges significantly more than control (unwatered) chipmunks. These results identity water availability during certain years and seasons as a factor influencing home range size.

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Mahan, Carolyn G., and Richard H. Yahner. "Effects of forest fragmentation on behaviour patterns in the eastern chipmunk (Tamias striatus)." Canadian Journal of Zoology 77, no. 12 (1999): 1991–97. http://dx.doi.org/10.1139/cjz-77-12-1991.

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McLean, Robert G., Sonya R. Ubico, and Lynita M. Cooksey. "EXPERIMENTAL INFECTION OF THE EASTERN CHIPMUNK (TAMIAS STRIATUS) WITH THE LYME DISEASE SPIROCHETE (BORRELIA BURGDORFERI)." Journal of Wildlife Diseases 29, no. 4 (October 1993): 527–32. http://dx.doi.org/10.7589/0090-3558-29.4.527.

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Paquette, Chelsey, Dany Garant, Jade Savage, Denis Réale, and Patrick Bergeron. "Individual and environmental determinants of Cuterebra bot fly parasitism in the eastern chipmunk (Tamias striatus)." Oecologia 193, no. 2 (June 2020): 359–70. http://dx.doi.org/10.1007/s00442-020-04685-x.

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Panakova, Lucia, Kim Heckers, Monir Majzoub, and Ralf S. Mueller. "Cutaneous epitheliotropic T-cell lymphoma with dissemination to the liver in an eastern chipmunk (Tamias striatus)." Veterinary Dermatology 21, no. 2 (April 2010): 205–8. http://dx.doi.org/10.1111/j.1365-3164.2009.00770.x.

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Thibault, Anouk, and Jacques Bovet. "Homing Strategy of the Eastern Chipmunk, Tamias striatus (Mammalia: Rodentia): Validation of the Critical Distance Model." Ethology 105, no. 1 (January 1999): 73–82. http://dx.doi.org/10.1111/j.1439-0310.1999.tb01221.x.

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Peplinski, Joy, and Joel S. Brown. "Distribution and diversity of squirrels on university and college campuses of the United States and Canada." Journal of Mammalogy 101, no. 4 (March 27, 2020): 930–40. http://dx.doi.org/10.1093/jmammal/gyaa033.

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Abstract Squirrels on North American college and university campuses have been the subject of much animated conversation in informal venues, but a systematic assessment of their distribution across this habitat type has not been undertaken until now. We collected reports of squirrel species’ presence and absence from faculty experts at 536 campuses in Canada and the continental United States, and found that squirrels are nearly ubiquitous on campuses (95% had at least one species, and 40% had three or more), but that only a select few species are common campus residents. Foremost among these is the eastern gray squirrel (Sciurus carolinensis—on 62% of surveyed campuses), followed by the eastern fox squirrel (Sciurus niger), eastern chipmunk (Tamias striatus), North American red squirrel (Tamiasciurus hudsonicus), and woodchuck (Marmota monax). Eastern gray and fox squirrels partition campuses with one another, both in their shared native/core range and on the West Coast. While these invasive eastern species are present on campuses on the West Coast, notably, contingency analysis did not provide evidence that they are the primary factor discouraging western gray squirrels (Sciurus griseus) from using these habitats. The inventory and analyses presented here can provide a basis for longitudinal studies both within and across campuses and may be productively combined with initiatives that involve students in research.

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Galloway, Terry D., and John E. Christie. "FLEAS (SIPHONAPTERA) ASSOCIATED WITH GROUND SQUIRRELS (SPERMOPHILUS SPP.) IN MANITOBA, CANADA." Canadian Entomologist 122, no. 3 (June 1990): 449–58. http://dx.doi.org/10.4039/ent122449-5.

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AbstractTwenty-one species of fleas, seven of which are considered true ground squirrel fleas, were collected by various means from Spermophilus richardsonii (Sabine), S. tridecemlineatus (Mitchell), and S. franklinii (Sabine) in Manitoba. Opisocrostis tuberculatus tuberculatus (Baker), O. labis (Jordan and Rothschild), Neopsylla inopina Rothschild, and Rhadinopsylla fraterna (Baker) are ground squirrel fleas reported from Manitoba for the first time. These, in addition to Oropsylla rupestris (Jordan) and Thrassis bacchi bacchi (Rothschild), were restricted to the southwestern region of the province, but Opisocrostis bruneri (Baker) was collected throughout the range of the ground squirrels, irrespective of location. Fourteen species collected were considered accidental on ground squirrels, one of which, Tamiophila grandis (Rothschild) (an eastern chipmunk parasite), was recorded for the first time in the province.

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Svendsen, G. E., and M. M. White. "Body mass and first-time reproduction in female chipmunks (Tamias striatus)." Canadian Journal of Zoology 75, no. 11 (November 1, 1997): 1891–95. http://dx.doi.org/10.1139/z97-819.

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Body mass has been proposed as a factor that contributes to the onset of puberty in some species of mammals. In this study we examined the relationship between body mass and primiparity in the eastern chipmunk (Tamias striatus) by comparing females that reproduced and those that did not during any given breeding opportunity. We also investigated whether season of birth influenced the season of first reproduction. No differences in season of first reproduction were observed between spring-born and fall-born females. Females that produced a litter had significantly greater body mass than did females that did not. Significant differences in body mass were also observed, based on season of birth. Food availability and timing of hibernation may be important contributors to the observed pattern.

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French, Alan R. "INTERDEPENDENCY OF STORED FOOD AND CHANGES IN BODY TEMPERATURE DURING HIBERNATION OF THE EASTERN CHIPMUNK,TAMIAS STRIATUS." Journal of Mammalogy 81, no. 4 (November 2000): 979–85. http://dx.doi.org/10.1644/1545-1542(2000)081<0979:iosfac>2.0.co;2.

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Slajchert, T., U. D. Kitron, C. J. Jones, and A. Mannelli. "ROLE OF THE EASTERN CHIPMUNK (TAMIAS STRIATUS) IN THE EPIZOOTIOLOGY OF LYME BORRELIOSIS IN NORTHWESTERN ILLINOIS, USA." Journal of Wildlife Diseases 33, no. 1 (January 1997): 40–46. http://dx.doi.org/10.7589/0090-3558-33.1.40.

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Mannelli, Alessandro, Uriel Kitron, Carl J. Jones, and Timothy L. Slajchert. "Role of the Eastern Chipmunk as a Host for Immature Ixodes dammini (Acari: Ixodidae) in Northwestern Illinois." Journal of Medical Entomology 30, no. 1 (January 1, 1993): 87–93. http://dx.doi.org/10.1093/jmedent/30.1.87.

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Wakakuwa, Kazuo, Asao Washida, and Yutaka Fukuda. "Distribution and soma size of ganglion cells in the retina of the eastern chipmunk (Tamias sibiricus asiaticus)." Vision Research 25, no. 7 (January 1985): 877–85. http://dx.doi.org/10.1016/0042-6989(85)90198-1.

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Seville, R. Scott, and Michael J. Patrick. "EIMERIASPP. (APICOMPLEXA: EIMERIIDAE) FROM THE EASTERN CHIPMUNK (TAMIAS STRIATUS) IN PENNSYLVANIA WITH A DESCRIPTION OF ONE NEW SPECIES." Journal of Parasitology 87, no. 1 (February 2001): 165–68. http://dx.doi.org/10.1645/0022-3395(2001)087[0165:esaeft]2.0.co;2.

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Bowers, Michael A., and Anthony Ellis. "Load Size Variation in the Eastern Chipmunk, Tamias striatus: The Importance of Distance from Burrow and Canopy Cover." Ethology 94, no. 1 (April 26, 2010): 72–82. http://dx.doi.org/10.1111/j.1439-0310.1993.tb00548.x.

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Fukuda, Yutaka, Koichi Takatsuji, Hajime Sawai, Kazuo Wakakuwa, Masami Watanabe, and Yuuko Mitani-Yamanishi. "Ipsilateral retinal projections and laminations of the dorsal lateral geniculate nucleus in the eastern chipmunk (Tamias sibiricus asiaticus)." Brain Research 384, no. 2 (October 1986): 373–78. http://dx.doi.org/10.1016/0006-8993(86)91175-3.

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Santostefano, Francesca, Hassen Allegue, Dany Garant, Patrick Bergeron, and Denis Réale. "Indirect genetic and environmental effects on behaviors, morphology, and life‐history traits in a wild Eastern chipmunk population." Evolution 75, no. 6 (May 9, 2021): 1492–512. http://dx.doi.org/10.1111/evo.14232.

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