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Eastern coyote

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https://www.readbyqxmd.com/read/28821188/panmixia-and-limited-interspecific-introgression-in-coyotes-canis-latrans-from-west-virginia-and-virginia-usa
#1
Justin H Bohling, Lauren L Mastro, Jennifer R Adams, Eric M Gese, Sheldon F Owen, Lisette P Waits
The expansion of coyotes (Canis latrans) into the eastern United States has had major consequences for ecological communities and wildlife managers. Despite this, there has been little investigation of the genetics of coyotes across much of this region, especially outside of the northeast. Understanding patterns of genetic structure and interspecific introgression would provide insights into the colonization history of the species, its response to the modern environment, and interactions with other canids. We examined the genetic characteristics of 121 coyotes from the mid-Atlantic states of West Virginia and Virginia by genotyping 17 polymorphic nuclear DNA microsatellite loci...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28639466/genetic-characterization-of-sarcoptes-scabiei-from-black-bears-ursus-americanus-and-other-hosts-in-the-eastern-united-states
#2
Sarah K Peltier, Justin D Brown, Mark Ternent, Kevin D Niedringhaus, Krysten Schuler, Elizabeth M Bunting, Megan Kirchgessner, Michael J Yabsley
Since the early 1990s there has been an increase in the number of cases and geographic expansion of severe mange in the black bear (Ursus americanus) population in Pennsylvania. Although there are 3 species of mites associated with mange in bears, Sarcoptes scabiei has been identified as the etiologic agent in these Pennsylvania cases. Historically, S. scabiei-associated mange in bears has been uncommon and sporadic, although it is widespread and relatively common in canid populations. To better understand this recent emergence of sarcoptic mange in bears in Pennsylvania and nearby states, we genetically characterized S...
October 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28630899/comment-on-whole-genome-sequence-analysis-shows-two-endemic-species-of-north-american-wolf-are-admixtures-of-the-coyote-and-gray-wolf
#3
Paul A Hohenlohe, Linda Y Rutledge, Lisette P Waits, Kimberly R Andrews, Jennifer R Adams, Joseph W Hinton, Ronald M Nowak, Brent R Patterson, Adrian P Wydeven, Paul A Wilson, Brad N White
Whole-genome data do not support a recent hybrid origin for red and eastern wolves.
June 2017: Science Advances
https://www.readbyqxmd.com/read/28301480/management-and-modeling-approaches-for-controlling-raccoon-rabies-the-road-to-elimination
#4
REVIEW
Stacey A Elmore, Richard B Chipman, Dennis Slate, Kathryn P Huyvaert, Kurt C VerCauteren, Amy T Gilbert
Rabies is an ancient viral disease that significantly impacts human and animal health throughout the world. In the developing parts of the world, dog bites represent the highest risk of rabies infection to people, livestock, and other animals. However, in North America, where several rabies virus variants currently circulate in wildlife, human contact with the raccoon rabies variant leads to the highest per capita population administration of post-exposure prophylaxis (PEP) annually. Previous rabies variant elimination in raccoons (Canada), foxes (Europe), and dogs and coyotes (United States) demonstrates that elimination of the raccoon variant from the eastern US is feasible, given an understanding of rabies control costs and benefits and the availability of proper tools...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28064464/ungulate-predation-and-ecological-roles-of-wolves-and-coyotes-in-eastern-north-america
#5
John F Benson, Karen M Loveless, Linda Y Rutledge, Brent R Patterson
Understanding the ecological roles of species that influence ecosystem processes is a central goal of ecology and conservation biology. Eastern coyotes (Canis latrans) have ascended to the role of apex predator across much of eastern North America since the extirpation of wolves (Canis spp.) and there has been considerable confusion regarding their ability to prey on ungulates and their ecological niche relative to wolves. Eastern wolves (C. lycaon) are thought to have been the historical top predator in eastern deciduous forests and have previously been characterized as deer specialists that are inefficient predators of moose because of their smaller size relative to gray wolves (C...
April 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28002495/space-use-and-habitat-selection-by-resident-and-transient-red-wolves-canis-rufus
#6
Joseph W Hinton, Christine Proctor, Marcella J Kelly, Frank T van Manen, Michael R Vaughan, Michael J Chamberlain
Recovery of large carnivores remains a challenge because complex spatial dynamics that facilitate population persistence are poorly understood. In particular, recovery of the critically endangered red wolf (Canis rufus) has been challenging because of its vulnerability to extinction via human-caused mortality and hybridization with coyotes (Canis latrans). Therefore, understanding red wolf space use and habitat selection is important to assist recovery because key aspects of wolf ecology such as interspecific competition, foraging, and habitat selection are well-known to influence population dynamics and persistence...
2016: PloS One
https://www.readbyqxmd.com/read/27330555/describing-a-developing-hybrid-zone-between-red-wolves-and-coyotes-in-eastern-north-carolina-usa
#7
Justin H Bohling, Justin Dellinger, Justin M McVey, David T Cobb, Christopher E Moorman, Lisette P Waits
When hybridizing species come into contact, understanding the processes that regulate their interactions can help predict the future outcome of the system. This is especially relevant in conservation situations where human activities can influence hybridization dynamics. We investigated a developing hybrid zone between red wolves and coyotes in North Carolina, USA to elucidate patterns of hybridization in a system heavily managed for preservation of the red wolf genome. Using noninvasive genetic sampling of scat, we surveyed a 2880 km(2) region adjacent to the Red Wolf Experimental Population Area (RWEPA)...
July 2016: Evolutionary Applications
https://www.readbyqxmd.com/read/27106273/admixture-mapping-identifies-introgressed-genomic-regions-in-north-american-canids
#8
Bridgett M vonHoldt, Roland Kays, John P Pollinger, Robert K Wayne
Hybrid zones typically contain novel gene combinations that can be tested by natural selection in a unique genetic context. Parental haplotypes that increase fitness can introgress beyond the hybrid zone, into the range of parental species. We used the Affymetrix canine SNP genotyping array to identify genomic regions tagged by multiple ancestry informative markers that are more frequent in an admixed population than expected. We surveyed a hybrid zone formed in the last 100 years as coyotes expanded their range into eastern North America...
June 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27008774/a-two-species-occupancy-model-accommodating-simultaneous-spatial-and-interspecific-dependence
#9
Christopher T Rota, Christopher K Wikle, Roland W Kays, Tavis D Forrester, William J McShea, Arielle W Parsons, Joshua J Millspaugh
Occupancy models are popular for estimating the probability a site is occupied by a species of interest when detection is imperfect. Occupancy models have been extended to account for interacting species and spatial dependence but cannot presently allow both factors to act simultaneously. We propose a two-species occupancy model that accommodates both interspecific and spatial dependence. We use a point-referenced multivariate hierarchical spatial model to account for both spatial and interspecific dependence...
January 2016: Ecology
https://www.readbyqxmd.com/read/26156129/rad-sequencing-and-genomic-simulations-resolve-hybrid-origins-within-north-american-canis
#10
L Y Rutledge, S Devillard, J Q Boone, P A Hohenlohe, B N White
Top predators are disappearing worldwide, significantly changing ecosystems that depend on top-down regulation. Conflict with humans remains the primary roadblock for large carnivore conservation, but for the eastern wolf (Canis lycaon), disagreement over its evolutionary origins presents a significant barrier to conservation in Canada and has impeded protection for grey wolves (Canis lupus) in the USA. Here, we use 127,235 single-nucleotide polymorphisms (SNPs) identified from restriction-site associated DNA sequencing (RAD-seq) of wolves and coyotes, in combination with genomic simulations, to test hypotheses of hybrid origins of Canis types in eastern North America...
July 2015: Biology Letters
https://www.readbyqxmd.com/read/25984773/parasitology-and-serology-of-free-ranging-coyotes-canis-latrans-in-north-carolina-usa
#11
M Colter Chitwood, Morgan B Swingen, Marcus A Lashley, James R Flowers, Maria B Palamar, Charles S Apperson, Colleen Olfenbuttel, Christopher E Moorman, Christopher S DePerno
Coyotes (Canis latrans) have expanded recently into the eastern US and can serve as a source of pathogens to domestic dogs (Canis lupus familiaris), livestock, and humans. We examined free-ranging coyotes from central North Carolina, US, for selected parasites and prevalence of antibodies against viral and bacterial agents. We detected ticks on most (81%) coyotes, with Amblyomma americanum detected on 83% of those with ticks. Fifteen (47%) coyotes were positive for heartworms (Dirofilaria immitis), with a greater detection rate in adults (75%) than juveniles (22%)...
July 2015: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/25734333/do-biological-and-bedsite-characteristics-influence-survival-of-neonatal-white-tailed-deer
#12
M Colter Chitwood, Marcus A Lashley, John C Kilgo, Kenneth H Pollock, Christopher E Moorman, Christopher S DePerno
Coyotes recently expanded into the eastern U.S. and potentially have caused localized white-tailed deer population declines. Research has focused on quantifying coyote predation on neonates, but little research has addressed the potential influence of bedsite characteristics on survival. In 2011 and 2012, we radiocollared 65 neonates, monitored them intensively for 16 weeks, and assigned mortality causes. We used Program MARK to estimate survival to 16 weeks and included biological covariates (i.e., sex, sibling status [whether or not it had a sibling], birth weight, and Julian date of birth)...
2015: PloS One
https://www.readbyqxmd.com/read/25234049/understanding-human-coyote-encounters-in-urban-ecosystems-using-citizen-science-data-what-do-socioeconomics-tell-us
#13
Stuart Wine, Sara A Gagné, Ross K Meentemeyer
The coyote (Canis latrans) has dramatically expanded its range to include the cities and suburbs of the western US and those of the Eastern Seaboard. Highly adaptable, this newcomer's success causes conflicts with residents, necessitating research to understand the distribution of coyotes in urban landscapes. Citizen science can be a powerful approach toward this aim. However, to date, the few studies that have used publicly reported coyote sighting data have lacked an in-depth consideration of human socioeconomic variables, which we suggest are an important source of overlooked variation in data that describe the simultaneous occurrence of coyotes and humans...
January 2015: Environmental Management
https://www.readbyqxmd.com/read/25075291/first-regional-evaluation-of-nuclear-genetic-diversity-and-population-structure-in-northeastern-coyotes-canis-latrans
#14
Javier Monzón
Previous genetic studies of eastern coyotes ( Canis latrans) are based on one of two strategies: sampling many individuals using one or very few molecular markers, or sampling very few individuals using many genomic markers. Thus, a regional analysis of genetic diversity and population structure in eastern coyotes using many samples and several molecular markers is lacking. I evaluated genetic diversity and population structure in 385 northeastern coyotes using 16 common single nucleotide polymorphisms (SNPs)...
2014: F1000Research
https://www.readbyqxmd.com/read/24669720/a-protected-area-influences-genotype-specific-survival-and-the-structure-of-a-canis-hybrid-zone
#15
John F Benson, Brent R Patterson, Peter J Mahoney
It is widely recognized that protected areas can strongly influence ecological systems and that hybridization is an important conservation issue. However, previous studies have not explicitly considered the influence of protected areas on hybridization dynamics. Eastern wolves are a species of special concern and their distribution is largely restricted to a protected population in Algonquin Provincial Park (APP), Ontario, Canada, where they are the numerically dominant canid. We studied intrinsic and extrinsic factors influencing survival and cause-specific mortality of hybrid and parental canids in the three-species hybrid zone between eastern wolves, eastern coyotes, and gray wolves in and adjacent to APP...
February 2014: Ecology
https://www.readbyqxmd.com/read/24586418/production-of-hybrids-between-western-gray-wolves-and-western-coyotes
#16
L David Mech, Bruce W Christensen, Cheryl S Asa, Margaret Callahan, Julie K Young
Using artificial insemination we attempted to produce hybrids between captive, male, western, gray wolves (Canis lupus) and female, western coyotes (Canis latrans) to determine whether their gametes would be compatible and the coyotes could produce and nurture offspring. The results contribute new information to an ongoing controversy over whether the eastern wolf (Canis lycaon) is a valid unique species that could be subject to the U. S. Endangered Species Act. Attempts with transcervically deposited wolf semen into nine coyotes over two breeding seasons yielded three coyote pregnancies...
2014: PloS One
https://www.readbyqxmd.com/read/24258921/aversive-responses-of-white-tailed-deer-odocoileus-virginianus-to-predator-urines
#17
R K Swihart, J J Pignatello, M J Mattina
We tested whether predator odors could reduce winter browsing of woody plants by white-tailed deer (Odocoileus virginianus). Urine from bobcats (Lyra rufus) and coyotes (Canis latrans) significantly reduced browsing of Japanese yews (Taxus cuspidata), and repellency was enhanced when urine was reapplied weekly as a topical spray. Urine of cottontail rabbits (Sylvilagus floridanus) and humans did not reduce damage, suggesting that deer do not respond aversively to odors of nonpredatory mammals or occasional predators with which they lack a long evolutionary association...
April 1991: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/24148003/assessment-of-coyote-wolf-dog-admixture-using-ancestry-informative-diagnostic-snps
#18
J Monzón, R Kays, D E Dykhuizen
The evolutionary importance of hybridization as a source of new adaptive genetic variation is rapidly gaining recognition. Hybridization between coyotes and wolves may have introduced adaptive alleles into the coyote gene pool that facilitated an expansion in their geographic range and dietary niche. Furthermore, hybridization between coyotes and domestic dogs may facilitate adaptation to human-dominated environments. We genotyped 63 ancestry-informative single-nucleotide polymorphisms in 427 canids to examine the prevalence, spatial distribution and the ecology of admixture in eastern coyotes...
January 2014: Molecular Ecology
https://www.readbyqxmd.com/read/24101990/y-chromosome-evidence-supports-asymmetric-dog-introgression-into-eastern-coyotes
#19
Tyler J Wheeldon, Linda Y Rutledge, Brent R Patterson, Bradley N White, Paul J Wilson
Hybridization has played an important role in the evolutionary history of Canis species in eastern North America. Genetic evidence of coyote-dog hybridization based on mitochondrial DNA (mtDNA) is lacking compared to that based on autosomal markers. This discordance suggests dog introgression into coyotes has potentially been male biased, but this hypothesis has not been formally tested. Therefore, we investigated biparentally, maternally, and paternally inherited genetic markers in a sample of coyotes and dogs from southeastern Ontario to assess potential asymmetric dog introgression into coyotes...
September 2013: Ecology and Evolution
https://www.readbyqxmd.com/read/23864253/inter-specific-territoriality-in-a-canis-hybrid-zone-spatial-segregation-between-wolves-coyotes-and-hybrids
#20
John F Benson, Brent R Patterson
Gray wolves (Canis lupus) and coyotes (Canis latrans) generally exhibit intraspecific territoriality manifesting in spatial segregation between adjacent packs. However, previous studies have found a high degree of interspecific spatial overlap between sympatric wolves and coyotes. Eastern wolves (Canis lycaon) are the most common wolf in and around Algonquin Provincial Park (APP), Ontario, Canada and hybridize with sympatric gray wolves and coyotes. We hypothesized that all Canis types (wolves, coyotes, and hybrids) exhibit a high degree of spatial segregation due to greater genetic, morphologic, and ecological similarities between wolves and coyotes in this hybrid system compared with western North American ecosystems...
December 2013: Oecologia
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