Recursive use of home ranges and seasonal shifts in foraging behavior by a generalist carnivore.

Jordan L Youngmann, Joseph W Hinton, Nicholas W Bakner, Michael J Chamberlain, Gino J D'Angelo
Author Information
  1. Jordan L Youngmann: Daniel B. Warnell School of Forestry and Natural Resources University of Georgia Athens Georgia USA. ORCID
  2. Joseph W Hinton: Wolf Conservation Center South Salem New York USA.
  3. Nicholas W Bakner: Daniel B. Warnell School of Forestry and Natural Resources University of Georgia Athens Georgia USA.
  4. Michael J Chamberlain: Daniel B. Warnell School of Forestry and Natural Resources University of Georgia Athens Georgia USA.
  5. Gino J D'Angelo: Daniel B. Warnell School of Forestry and Natural Resources University of Georgia Athens Georgia USA.

Abstract

coyotes () colonized the southeastern United States over the last century as large predators, including the red wolf () and eastern cougar (), were extirpated from the region. As a generalist carnivore, the coyote preys on white-tailed deer () and various smaller mammals, birds, and vegetation. While resource selection by coyotes has been well documented at the home-range scale, little is known about their foraging behavior, which is an important factor in thoroughly understanding influences of coyotes on prey and sympatric carnivores. We assessed third-order resource selection of coyotes at sites across Alabama, Georgia, and South Carolina during 2015-2016. Using GPS collars, we tracked 41 resident coyotes across four calendar seasons and identified suspected foraging areas using recursive analysis where individuals repeatedly returned to known locations. We found that resident coyotes selected for open landcover types throughout the year, while avoiding primary and secondary roads. Additionally, resident coyotes avoided forested landcover types while selecting for forest edges except from April to June when they foraged within interior forest away from edges. Previous studies have documented substantive predation rates on white-tailed deer neonates by coyotes, and that fawn mortality may increase in forested landscapes away from forest edge. Our findings indicate that foraging coyotes may select forest cover types during spring where fawns are more vulnerable to predation. Additionally, there has been debate in the literature as to how coyotes obtain consistent levels of deer in their diets outside of fawning and fall hunting seasons. Our study indicates that use of road-kill carcasses by coyotes was an unlikely explanation for the presence of deer in coyote diets throughout the year, as coyotes in our study were not observed using roads during foraging excursions.

Keywords

Associated Data

Dryad | 10.5061/dryad.z8w9ghxgh

References

  1. J Mammal. 2016 Jun 9;97(3):663-688 [PMID: 29692469]
  2. Zookeys. 2018 May 22;(759):81-97 [PMID: 29861647]
  3. Ecol Evol. 2022 Nov 24;12(11):e9540 [PMID: 36440319]
  4. Ecol Evol. 2022 Mar 22;12(3):e8725 [PMID: 35356555]
  5. J Theor Biol. 2013 Jan 21;317:238-43 [PMID: 23108209]
  6. Trends Ecol Evol. 2005 Sep;20(9):503-10 [PMID: 16701427]
  7. Accid Anal Prev. 2014 May;66:168-81 [PMID: 24549035]
  8. Ecol Lett. 2014 Aug;17(8):924-31 [PMID: 24811575]
  9. Ecology. 2021 Jun;102(6):e03336 [PMID: 33710619]
  10. Ecol Evol. 2018 Mar 23;8(8):3927-3940 [PMID: 29721269]
  11. Ecol Evol. 2019 Feb 21;9(6):3389-3404 [PMID: 30962900]
  12. Sci Rep. 2019 Feb 14;9(1):2104 [PMID: 30765777]
  13. Ecol Evol. 2012 Jan;2(1):19-33 [PMID: 22408723]
  14. Ecol Evol. 2021 Jun 15;11(14):9575-9588 [PMID: 34306644]
  15. PLoS One. 2015 Jul 06;10(7):e0132203 [PMID: 26148130]
  16. PLoS One. 2018 Oct 10;13(10):e0203703 [PMID: 30303970]
  17. J Anim Ecol. 2016 Jan;85(1):21-31 [PMID: 25980987]
  18. Trends Ecol Evol. 1999 Jul;14(7):268-272 [PMID: 10370262]
  19. PLoS One. 2012;7(4):e34578 [PMID: 22509326]
  20. Mov Ecol. 2018 Nov 02;6:22 [PMID: 30410764]
  21. Mol Ecol. 2012 Dec;21(24):5934-54 [PMID: 23173981]
  22. Trends Ecol Evol. 2019 Jun;34(6):569-581 [PMID: 30885413]

Word Cloud

Created with Highcharts 10.0.0coyotesforagingdeerforestcoyoteresourceselectionbehaviorresidenttypesusegeneralistcarnivorewhite-taileddocumentedknownacrossseasonsusingrecursivelandcoverthroughoutyearroadsAdditionallyforestededgesawaypredationmaydietsstudyCoyotescolonizedsoutheasternUnitedStateslastcenturylargepredatorsincludingredwolfeasterncougarextirpatedregionpreysvarioussmallermammalsbirdsvegetationwellhome-rangescalelittleimportantfactorthoroughlyunderstandinginfluencespreysympatriccarnivoresassessedthird-ordersitesAlabamaGeorgiaSouthCarolina2015-2016UsingGPScollarstracked41fourcalendaridentifiedsuspectedareasanalysisindividualsrepeatedlyreturnedlocationsfoundselectedopenavoidingprimarysecondaryavoidedselectingexceptAprilJuneforagedwithininteriorPreviousstudiessubstantiveratesneonatesfawnmortalityincreaselandscapesedgefindingsindicateselectcoverspringfawnsvulnerabledebateliteratureobtainconsistentlevelsoutsidefawningfallhuntingindicatesroad-killcarcassesunlikelyexplanationpresenceobservedexcursionsRecursivehomerangesseasonalshiftsCanislatransscavengingspace

Similar Articles

Cited By