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Gorman NT, Eichholz MW, Skinner DJ, Schlichting PE, Bastille-Rousseau G. Carnivore space use behaviors reveal variation in responses to human land modification. MOVEMENT ECOLOGY 2024; 12:51. [PMID: 39026354 PMCID: PMC11256472 DOI: 10.1186/s40462-024-00493-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 07/12/2024] [Indexed: 07/20/2024]
Abstract
BACKGROUND Spatial behavior, including home-ranging behaviors, habitat selection, and movement, can be extremely informative in estimating how animals respond to landscape heterogeneity. Responses in these spatial behaviors to features such as human land modification and resources can highlight a species' spatial strategy to maximize fitness and minimize mortality. These strategies can vary on spatial, temporal, and individual scales, and the combination of behaviors on these scales can lead to very different strategies among species. METHODS Harnessing the variation present at these scales, we characterized how species may respond to stimuli in their environments ranging from broad- to fine-scale spatial responses to human modification in their environment. Using 15 bobcat-years and 31 coyote-years of GPS data from individuals inhabiting a landscape encompassing a range of human land modification, we evaluated the complexity of both species' responses to human modification on the landscape through their home range size, habitat selection, and functional response behaviors, accounting for annual, seasonal, and diel variation. RESULTS Bobcats and coyotes used different strategies in response to human modification in their home ranges, with bobcats broadly expanding their home range with increases in human modification and displaying temporal consistency in functional response in habitat selection across both season and time of day. Meanwhile, coyotes did not expand their home ranges with increased human modification, but instead demonstrated fine-scale responses to human modification with habitat selection strategies that sometimes varied by time of day and season, paired with functional responses in selection behaviors. CONCLUSIONS These differences in response to habitat, resources, and human modification between the two species highlighted the variation in spatial behaviors animals can use to exist in anthropogenic environments. Categorizing animal spatial behavior based on these spatiotemporal responses and individual variation can help in predicting how a species will respond to future change based on their current spatial behavior.
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Affiliation(s)
- Nicole T Gorman
- Cooperative Wildlife Research Laboratory, Southern Illinois University, Carbondale, IL, USA.
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, USA.
| | - Michael W Eichholz
- Cooperative Wildlife Research Laboratory, Southern Illinois University, Carbondale, IL, USA
- School of Biological Sciences, Southern Illinois University, Carbondale, IL, USA
| | | | | | - Guillaume Bastille-Rousseau
- Cooperative Wildlife Research Laboratory, Southern Illinois University, Carbondale, IL, USA
- School of Biological Sciences, Southern Illinois University, Carbondale, IL, USA
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2
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Sandoval‐Serés E, Mbizah M, Phiri S, Chatikobo SP, Valeix M, van der Meer E, Dröge E, Madhlamoto D, Madzikanda H, Blinston P, Loveridge AJ. Food resource competition between African wild dogs and larger carnivores in an ecosystem with artificial water provision. Ecol Evol 2024; 14:e11141. [PMID: 38500850 PMCID: PMC10944706 DOI: 10.1002/ece3.11141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 12/08/2023] [Accepted: 12/22/2023] [Indexed: 03/20/2024] Open
Abstract
Predators of similar size often compete over prey. In semi-arid ecosystems where water is a limiting resource, prey availability can be affected by water distribution, which further increases resource competition and exacerbate conflict among predators. This can have implications for carnivore dietary competition. Hence, we evaluated the dynamics of food resource competition between African wild dogs and four competing predators (cheetahs, leopards, lions and spotted hyaenas) in different seasons and across areas with different waterhole densities in Hwange National Park, Zimbabwe. We used the frequency of occurrence of prey items found in predators' scats to analyse diet composition, overlap and prey preference. For most predators, kudu was most frequently consumed and preferred. Low and medium water-dependent prey (medium and small-sized) were mostly consumed by wild dogs, leopards and cheetahs. Wild dog diet overlap was high with all predators, particularly with hyaenas and lions. There were no seasonal differences in the predators diet. The diet overlap of wild dogs with lions was highest in the low waterhole density area, and wild dog diet composition did not differ significantly from the diet of lions and hyaenas. In the low waterhole density area, wild dogs and hyaenas broadened their niche breadth, and predators diet had a higher proportion of low water-dependent prey. A low density of waterholes increased food resource competition. However, high density of waterholes, where there is more prey availability, can increase the aggregation and density of predators, and hence, increase the risks involved in interspecific competition on wild dogs. To reduce food resource competition on wild dogs, we propose to conserve larger-bodied prey that are less dependent on water (e.g. kudu, reedbuck, eland and gemsbok). As the use of water pumping is common practice, we propose maintaining water management heterogeneity where prey which is less dependent on water can also thrive.
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Affiliation(s)
- Elisa Sandoval‐Serés
- Wildlife Conservation Research Unit (WildCRU), Department of Biology, Recanati‐Kaplan CentreUniversity of OxfordTubneyUK
- Painted Dog Conservation (PDC)DeteZimbabwe
| | - Moreangels Mbizah
- Wildlife Conservation Research Unit (WildCRU), Department of Biology, Recanati‐Kaplan CentreUniversity of OxfordTubneyUK
- Wildlife Conservation ActionBelgravia, HarareZimbabwe
| | | | | | - Marion Valeix
- CNRS, Université de Lyon, Université de Lyon 1, Laboratoire de Biométrie et Biologie Evolutive, CNRS UMRVilleurbanneFrance
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Univ Paul Valéry Montpellier 3MontpellierFrance
- Long‐Term Socio‐Ecological Research Site (LTSER) France, Zone Atelier ‘Hwange’Hwange National ParkZimbabwe
| | | | - Egil Dröge
- Wildlife Conservation Research Unit (WildCRU), Department of Biology, Recanati‐Kaplan CentreUniversity of OxfordTubneyUK
- Zambian Carnivore ProgramMfuweZambia
| | - Daphine Madhlamoto
- Scientific Services Main Camp, Hwange National ParkZimbabwe Parks and Wildlife Management Authority (ZPWMA)DeteZimbabwe
| | | | | | - Andrew J. Loveridge
- Wildlife Conservation Research Unit (WildCRU), Department of Biology, Recanati‐Kaplan CentreUniversity of OxfordTubneyUK
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3
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Garabedian JE, Cox KJ, Vukovich M, Kilgo JC. Co‐occurrence of native white‐tailed deer and invasive wild pigs: Evidence for competition? Ecosphere 2023. [DOI: 10.1002/ecs2.4435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Affiliation(s)
- James E. Garabedian
- USDA Forest Service, Southern Research Station New Ellenton South Carolina USA
| | - Kyle J. Cox
- USDA Forest Service, Southern Research Station New Ellenton South Carolina USA
| | - Mark Vukovich
- USDA Forest Service, Southern Research Station New Ellenton South Carolina USA
| | - John C. Kilgo
- USDA Forest Service, Southern Research Station New Ellenton South Carolina USA
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Vissia S, Bouman A, Virtuoso FAS, van Langevelde F. Seasonal variation in prey preference, diet partitioning and niche breadth in a rich large carnivore guild. Afr J Ecol 2023. [DOI: 10.1111/aje.13098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Sander Vissia
- Wildlife Ecology and Conservation Group Wageningen University Wageningen The Netherlands
| | - Ariet Bouman
- Wildlife Ecology and Conservation Group Wageningen University Wageningen The Netherlands
| | | | - Frank van Langevelde
- Wildlife Ecology and Conservation Group Wageningen University Wageningen The Netherlands
- School of Life Sciences, Westville Campus University of KwaZulu‐Natal Durban South Africa
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5
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Henger CS, Hargous E, Nagy CM, Weckel M, Wultsch C, Krampis K, Duncan N, Gormezano L, Munshi-South J. DNA metabarcoding reveals that coyotes in New York City consume wide variety of native prey species and human food. PeerJ 2022; 10:e13788. [PMID: 36164598 PMCID: PMC9508883 DOI: 10.7717/peerj.13788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 07/05/2022] [Indexed: 01/17/2023] Open
Abstract
Carnivores are currently colonizing cities where they were previously absent. These urban environments are novel ecosystems characterized by habitat degradation and fragmentation, availability of human food, and different prey assemblages than surrounding areas. Coyotes (Canis latrans) established a breeding population in New York City (NYC) over the last few decades, but their ecology within NYC is poorly understood. In this study, we used non-invasive scat sampling and DNA metabarcoding to profile vertebrate, invertebrate, and plant dietary items with the goal to compare the diets of urban coyotes to those inhabiting non-urban areas. We found that both urban and non-urban coyotes consumed a variety of plants and animals as well as human food. Raccoons (Procyon lotor) were an important food item for coyotes within and outside NYC. In contrast, white-tailed deer (Odocoileus virginianus) were mainly eaten by coyotes inhabiting non-urban areas. Domestic chicken (Gallus gallus) was the human food item found in most scats from both urban and non-urban coyotes. Domestic cats (Felis catus) were consumed by urban coyotes but were detected in only a small proportion of the scats (<5%), which differs markedly from high rates of cat depredation in some other cities. In addition, we compared our genetic metabarcoding analysis to a morphological analysis of the same scat samples. We found that the detection similarity between the two methods was low and it varied depending on the type of diet item.
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Affiliation(s)
- Carol S. Henger
- Louis Calder Biological Field Station, Fordham University, Armonk, New York, United States
| | - Emily Hargous
- Louis Calder Biological Field Station, Fordham University, Armonk, New York, United States
| | | | - Mark Weckel
- American Museum of Natural History, New York, New York, United States
| | - Claudia Wultsch
- American Museum of Natural History, New York, New York, United States,Bioinformatics and Computational Genomics Laboratory, City University of New York, Hunter College, New York, New York, United States
| | - Konstantinos Krampis
- Bioinformatics and Computational Genomics Laboratory, City University of New York, Hunter College, New York, New York, United States,Department of Biological Sciences, City University of New York, Hunter College, New York, New York, United States,Institute of Computational Biomedicine, Weill Medical College of Cornell University, New York, New York, United States
| | - Neil Duncan
- American Museum of Natural History, New York, New York, United States
| | - Linda Gormezano
- American Museum of Natural History, New York, New York, United States
| | - Jason Munshi-South
- Louis Calder Biological Field Station, Fordham University, Armonk, New York, United States
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6
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Compensatory human and predator risk trade-offs in neonatal white-tailed deer. Glob Ecol Conserv 2022. [DOI: 10.1016/j.gecco.2022.e02089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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7
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Brunet MJ, Monteith KL, Huggler KS, Clapp JG, Thompson DJ, Burke PW, Zornes M, Lionberger P, Valdez M, Holbrook JD. Cats and dogs: A mesopredator navigating risk and reward provisioned by an apex predator. Ecol Evol 2022; 12:e8641. [PMID: 35228863 PMCID: PMC8861835 DOI: 10.1002/ece3.8641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/23/2022] [Accepted: 01/28/2022] [Indexed: 11/28/2022] Open
Abstract
Successfully perceiving risk and reward is fundamental to the fitness of an animal, and can be achieved through a variety of perception tactics. For example, mesopredators may “directly” perceive risk by visually observing apex predators, or may “indirectly” perceive risk by observing habitats used by predators. Direct assessments should more accurately characterize the arrangement of risk and reward; however, indirect assessments are used more frequently in studies concerning the response of GPS‐marked animals to spatiotemporally variable sources of risk and reward. We investigated the response of a mesopredator to the presence of risk and reward created by an apex predator, where risk and reward likely vary in relative perceptibility (i.e., degree of being perceptible). First, we tested whether coyotes (Canis latrans) use direct or indirect assessments to navigate the presence of mountain lions (Puma concolor; risk) and kills made by mountain lions (reward) in an area where coyotes were a common prey item for mountain lions. Second, we assessed the behavioral response of coyotes to direct encounters with mountain lions. Third, we evaluated spatiotemporal use of carrion by coyotes at kills made by mountain lions. Indirect assessments generally outperformed direct assessments when integrating analyses into a unified framework; nevertheless, our ability to detect direct perception in navigating to mountain lion kills was likely restricted by scale and sampling limitations (e.g., collar fix rates, unsampled kill sites). Rather than responding to the risk of direct encounters with mountain lions, coyotes facilitated encounters by increasing their movement rate, and engaged in risky behavior by scavenging at mountain lion kills. Coyotes appear to mitigate risk by using indirect perception to avoid mountain lions. Our predator–predator interactions and insights are nuanced and counter to the conventional predator–prey systems that have generated much of the predation risk literature.
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Affiliation(s)
- Mitchell J Brunet
- Haub School of Environment and Natural Resources University of Wyoming Laramie Wyoming USA.,Wyoming Cooperative Fish and Wildlife Research Unit University of Wyoming Laramie Wyoming USA.,Department of Zoology and Physiology University of Wyoming Laramie Wyoming USA
| | - Kevin L Monteith
- Haub School of Environment and Natural Resources University of Wyoming Laramie Wyoming USA.,Wyoming Cooperative Fish and Wildlife Research Unit University of Wyoming Laramie Wyoming USA.,Department of Zoology and Physiology University of Wyoming Laramie Wyoming USA
| | - Katey S Huggler
- Haub School of Environment and Natural Resources University of Wyoming Laramie Wyoming USA.,Wyoming Cooperative Fish and Wildlife Research Unit University of Wyoming Laramie Wyoming USA.,Department of Zoology and Physiology University of Wyoming Laramie Wyoming USA
| | | | | | | | - Mark Zornes
- Wyoming Game and Fish Department Green River Wyoming USA
| | - Patrick Lionberger
- Bureau of Land Management Rock Springs Field Office Rock Springs Wyoming USA
| | - Miguel Valdez
- Bureau of Land Management Rock Springs Field Office Rock Springs Wyoming USA
| | - Joseph D Holbrook
- Haub School of Environment and Natural Resources University of Wyoming Laramie Wyoming USA.,Department of Zoology and Physiology University of Wyoming Laramie Wyoming USA
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9
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Petroelje TR, Fowler NL, Kautz TM, Lutto AL, Davidson GA, Beyer DE, Belant JL. Conservation Detection Dogs Increase Efficacy for Prey Detection at Carnivore GPS Cluster Sites During Summer. WILDLIFE SOC B 2021. [DOI: 10.1002/wsb.1203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tyler R. Petroelje
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry 1 Forestry Drive, Syracuse New York 13210 USA
| | - Nicholas L. Fowler
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry 1 Forestry Drive, Syracuse New York 13210 USA
| | - Todd M. Kautz
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry 1 Forestry Drive, Syracuse New York 13210 USA
| | - Ashley L. Lutto
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry 1 Forestry Drive, Syracuse New York 13210 USA
| | | | - Dean E. Beyer
- Wildlife Division Michigan Department of Natural Resources 1990 US Highway 41 S Marquette MI 49855 USA
| | - Jerrold L. Belant
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry 1 Forestry Drive, Syracuse New York 13210 USA
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10
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Fowler NL, Kautz TM, Petroelje TR, Wilton CM, Kellner KF, O'Brien DJ, Parsons B, Beyer DE, Belant JL. Marginal support for a trophic cascade among sympatric canids in peripheral wolf range. Ecology 2021; 102:e03494. [PMID: 34309013 DOI: 10.1002/ecy.3494] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 05/05/2021] [Accepted: 05/19/2021] [Indexed: 11/10/2022]
Abstract
Trophic cascades reportedly structure ecological communities through indirect species interactions. Though the predator-herbivore-autotroph relationship has received much attention, mechanistic evidence supporting intraguild trophic cascades is rare. We established 348 remote camera sites (1 August-5 September 2019) across seven study areas of varying wolf (Canis lupus) density including one study area where wolves were absent in northern Michigan, USA. Using multi-species occupancy modeling at species-relevant spatial scales, we evaluated the hypothesis that increased wolf occurrence suppresses coyote (C. latrans) occurrence with corresponding increased red fox (Vulpes vulpes) occurrence mediated by land cover edge density, human presence, and temporal partitioning. Remote cameras recorded >600,000 images and included 6,370, 10,137, and 4,876 detections of wolves, coyotes, and foxes, respectively. Fox occupancy probability was more than three times as high (0.29) at camera sites where wolves were present, relative to sites wolves were absent (0.09). Pairwise species interactions supported expected size-based dominance patterns among canids and insignificant effects were directionally consistent with reported reduced strength of top-down effects in peripheral wolf range. Increased edge density also increased co-occurrence of coyote and wolves, likely a function of increased prey availability and refugia for coyotes. Though foxes occurred in spatial proximity to wolves, competition was limited by greater temporal partitioning than observed between coyotes and foxes that were spatially segregated. Collectively, our results provide marginal support for the reported trophic cascade among wolves, coyotes, and foxes wherein top-down effects may be reduced near the edge of current wolf distributions. As predators continue to recolonize portions of their historic range, knowledge of the effects on intraguild predators has implications for species management and predicting prey population responses.
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Affiliation(s)
- Nicholas L Fowler
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, New York, 13210, USA
| | - Todd M Kautz
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, New York, 13210, USA
| | - Tyler R Petroelje
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, New York, 13210, USA
| | - Clay M Wilton
- Michigan Natural Features Inventory, P.O. Box 13036, Lansing, Michigan, 48901, USA
| | - Kenneth F Kellner
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, New York, 13210, USA
| | - Daniel J O'Brien
- Wildlife Disease Laboratory, Michigan Department of Natural Resources, 4125 Beaumont Road, Room 250, Lansing, Michigan, 48910, USA
| | - Bill Parsons
- Little Traverse Bay Bands of Odawa Indians, Natural Resource Department, 7845 Odawa Circle, Harbor Springs, Michigan, 49740, USA
| | - Dean E Beyer
- Wildlife Division, Michigan Department of Natural Resources, 1990 US Highway 41 S, Marquette, Michigan, 49855, USA
| | - Jerrold L Belant
- Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, New York, 13210, USA
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11
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Kautz TM, Beyer DE, Farley Z, Fowler NL, Kellner KF, Lutto AL, Petroelje TR, Belant JL. American martens use vigilance and short-term avoidance to navigate a landscape of fear from fishers at artificial scavenging sites. Sci Rep 2021; 11:12146. [PMID: 34108524 PMCID: PMC8190286 DOI: 10.1038/s41598-021-91587-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 05/10/2021] [Indexed: 11/09/2022] Open
Abstract
Where two sympatric species compete for the same resource and one species is dominant, there is potential for the subordinate species to be affected through interference competition or energetic costs of avoiding predation. Fishers (Pekania pennanti) and American martens (Martes americana) often have high niche overlap, but fishers are considered dominant and potentially limiting to martens. We observed presence and vigilance of fishers and martens at winter carcass sites using remote cameras in Michigan, USA, to test the hypothesis that interference competition from fishers creates a landscape of fear for martens. Within winters, fishers co-occupied 78–88% of sites occupied by martens, and martens co-occupied 79–88% of sites occupied by fishers. Fishers displaced martens from carcasses during 21 of 6117 marten visits, while martens displaced fishers during 0 of 1359 fisher visits. Martens did not alter diel activity in response to fisher use of sites. Martens allocated 37% of time to vigilance compared to 23% for fishers, and martens increased vigilance up to 8% at sites previously visited by fishers. Fishers increased vigilance by up to 8% at sites previously visited by martens. Our results indicate that fishers were dominant over martens, and martens had greater baseline perception of risk than fishers. However, fishers appeared to be also affected as the dominant competitor by putting effort into scanning for martens. Both species appeared widespread and common in our study area, but there was no evidence that fishers spatially or temporally excluded martens from scavenging at carcasses other than occasional short-term displacement when a fisher was present. Instead, martens appeared to mitigate risk from fishers by using vigilance and short-term avoidance. Multiple short-term anti-predator behaviors within a landscape of fear may facilitate coexistence among carnivore species.
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Affiliation(s)
- Todd M Kautz
- Global Wildlife Conservation Center, State University of New York, College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA.
| | - Dean E Beyer
- Wildlife Division, Michigan Department of Natural Resources, 1990 US Highway 41 S, Marquette, MI, 49855, USA
| | - Zachary Farley
- Department of Fish, Wildlife, and Conservation Ecology, New Mexico State University, College of Agricultural, Consumer, and Environmental Sciences, 2980 South Espina, Las Cruces, NM, 88003, USA
| | - Nicholas L Fowler
- Global Wildlife Conservation Center, State University of New York, College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA
| | - Kenneth F Kellner
- Global Wildlife Conservation Center, State University of New York, College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA
| | - Ashley L Lutto
- Global Wildlife Conservation Center, State University of New York, College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA
| | - Tyler R Petroelje
- Global Wildlife Conservation Center, State University of New York, College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA
| | - Jerrold L Belant
- Global Wildlife Conservation Center, State University of New York, College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY, 13210, USA
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