Roads do not increase carrion use by a vertebrate scavenging community

Hill, Jacob E.; DeVault, Travis L.; Beasley, James C.; Rhodes, Olin E.; Belant, Jerrold L.

doi:10.1038/s41598-018-34224-x

Title: Roads do not increase carrion use by a vertebrate scavenging community

Journal Article · 05 November 2018 · Scientific Reports

DOI: https://doi.org/10.1038/s41598-018-34224-x · OSTI ID:1614648

Hill, Jacob E. ^[1]; DeVault, Travis L. ^[2]; Beasley, James C. ^[3]; Rhodes, Olin E. ^[3]; Belant, Jerrold L. ^[1]

State Univ. of New York (SUNY), Syracuse, NY (United States)
US Dept. of Agriculture (USDA), Sandusky, OH (United States)
Savannah River Site (SRS), Aiken, SC (United States). Savannah River Ecology Lab. (SREL); Univ. of Georgia, Athens, GA (United States)

Wildlife-vehicle collisions introduce a considerable amount of carrion into the environment, but scavenger use of this resource has not been extensively investigated. Scavengers may use roads for reliable foraging opportunities, but might also use roads for other purposes and encounter carrion opportunistically. We examined scavenging of carrion along linear features by placing 52 rabbit carcasses in each of three treatments in forested habitat during winter (Dec 2016-Mar 2017) in South Carolina, USA: roads, power line clearings (linear feature with fewer carcasses than roads due to lack of road kill), and forest interior. We used motion-activated cameras to compare arrival times and presence of vertebrate scavengers among treatments. There was no difference in proportion of carcasses scavenged or scavenger arrival time across treatments. No species arrived at roads quicker than other treatments. Turkey vultures (Cathartes aura) and coyotes (Canis latrans) scavenged equally across treatments, whereas gray foxes (Urocyon cinereoargenteus) scavenged along roads and power lines, but not in forests. We suggest that scavenger use of carrion near roads at this location during winter relates to factors other than carrion availability. Because some scavengers readily consumed carrion on roads, this resource has the potential to influence the ecology of these species.

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Research Organization:: Univ. of Georgia, Athens, GA (United States)

Sponsoring Organization:: USDOE Office of Environmental Management (EM)

Grant/Contract Number:: EM0004391

OSTI ID:: 1614648

Journal Information:: Scientific Reports, Vol. 8, Issue 1; ISSN 2045-2322

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 12 works

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Effects of scale of movement, detection probability, and true population density on common methods of estimating population density Keiter, David A.; Davis, Amy J.; Rhodes, Olin E. Scientific Reports, Vol. 7, Issue 1 https://doi.org/10.1038/s41598-017-09746-5	journal	August 2017
Anatomical evidence for scent guided foraging in the turkey vulture Grigg, Nathan P.; Krilow, Justin M.; Gutierrez-Ibanez, Cristian Scientific Reports, Vol. 7, Issue 1 https://doi.org/10.1038/s41598-017-17794-0	journal	December 2017
Life and Death in the Fast Lane: Demographic Consequences of Road Mortality in the Florida Scrub‐Jay Mumme, Ronald L.; Schoech, Stephan J.; Woolfenden, Glen E. Conservation Biology, Vol. 14, Issue 2 https://doi.org/10.1046/j.1523-1739.2000.98370.x	journal	April 2000
The influence of habitat on travel speed, intermittent locomotion, and vigilance in a diurnal rodent Vasquez, R. A. Behavioral Ecology, Vol. 13, Issue 2 https://doi.org/10.1093/beheco/13.2.182	journal	March 2002
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Roadkill scavenging behaviour in an urban environment Schwartz, Amy L. W.; Williams, Harry F.; Chadwick, Elizabeth Journal of Urban Ecology, Vol. 4, Issue 1 https://doi.org/10.1093/jue/juy006	journal	January 2018
How linear features alter predator movement and the functional response McKenzie, Hannah W.; Merrill, Evelyn H.; Spiteri, Raymond J. Interface Focus, Vol. 2, Issue 2 https://doi.org/10.1098/rsfs.2011.0086	journal	January 2012
Speed kills: ineffective avian escape responses to oncoming vehicles DeVault, Travis L.; Blackwell, Bradley F.; Seamans, Thomas W. Proceedings of the Royal Society B: Biological Sciences, Vol. 282, Issue 1801 https://doi.org/10.1098/rspb.2014.2188	journal	February 2015
Landfills determine the distribution of an expanding breeding population of the endangered Egyptian Vulture Neophron percnopterus Tauler-Ametller, Helena; Hernández-Matías, Antonio; Pretus, Joan LL. Ibis, Vol. 159, Issue 4 https://doi.org/10.1111/ibi.12495	journal	May 2017
Diet shift of a facultative scavenger, the wolverine, following recolonization of wolves van Dijk, Jiska; Gustavsen, Line; Mysterud, Atle Journal of Animal Ecology, Vol. 77, Issue 6 https://doi.org/10.1111/j.1365-2656.2008.01445.x	journal	November 2008
Causes of mortality in North American populations of large and medium-sized mammals: Causes of mortality in mammals Collins, C.; Kays, R. Animal Conservation, Vol. 14, Issue 5 https://doi.org/10.1111/j.1469-1795.2011.00458.x	journal	April 2011
Effects of Road Clearings on Movement Patterns of Understory Rainforest Birds in Central Amazonia Laurance, Susan G. W.; Stouffer, Philip C.; Laurance, William F. Conservation Biology, Vol. 18, Issue 4 https://doi.org/10.1111/j.1523-1739.2004.00268.x	journal	August 2004
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Data from: Roads do not increase carrion use by a vertebrate scavenging community Hill, Jacob E.; DeVault, Travis L.; Beasley, James C. Dryad https://doi.org/10.5061/dryad.7kj575k	dataset	January 2018
Response of vertebrate scavengers to power line and road rights-of-way and its implications for bird fatality estimates Bernardino, Joana; Bispo, Regina; Martins, Ricardo C. Scientific Reports, Vol. 10, Issue 1 https://doi.org/10.1038/s41598-020-72059-7	journal	September 2020

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