Vienna Supplementary feeding can attract red squirrels (Sciurus vulgaris) to optimal environments

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dc.contributor.author Starkey, Anna
dc.contributor.author delBarco-Trillo, Javier
dc.date.accessioned 2018-05-21T11:29:17Z
dc.date.available 2018-05-21T11:29:17Z
dc.date.issued 2018-05-09
dc.identifier.citation Starkey, A. and delBarco-Trillo, J. (2018) 'Vienna Supplementary feeding can attract red squirrels (Sciurus vulgaris) to optimal environments', Mammalian Biology. doi:10.1016/j.mambio.2018.05.004 en
dc.identifier.issn 1616-5047
dc.identifier.issn 1618-1476
dc.identifier.uri http://hdl.handle.net/10468/6156
dc.identifier.doi 10.1016/j.mambio.2018.05.004
dc.description.abstract A number of conservation approaches are used to manage threatened species. However, some of these approaches require intensive planning and can often be restricted by funding. Supplementary feeding is a non-invasive and cost-effective approach to manage vulnerable populations, but we lack data on its usefulness. Here we investigated the effects of supplementary feeding on a population of red squirrels (Sciurus vulgaris), a UK priority species which faces competition from the non-native grey squirrel (Sciurus carolinensis). The study took place October-December 2015, lasting 8 weeks. Twenty feeders were installed 1 week prior to the beginning of the study in a protected woodland free from grey squirrels, either containing food (full feeders) or no food (empty feeders), and squirrel abundance before and after feeding was recorded at each feeder (for a total of 27 feeding and recording events). Six times more squirrels were seen at full feeders, and numbers increased by 7 fold after feeding. We also observed that the activity of red squirrels in the vicinity of full feeders increased during the course of the study. Eighty-five hair samples were collected during the study, all of which were found at full feeders. Results demonstrate red squirrels can differentiate between full and empty feeders, suggesting their awareness increases when supplementary food is present. Increased abundance of squirrels at full feeders after feeding times not only implies that squirrels are attracted to and can benefit by supplementation, it also shows that food supplementation can be used to regulate the movement of individuals across habitats. Understanding how red squirrel populations are affected by supplementary feeding will contribute towards existing conservation efforts to improve this species future survival. en
dc.description.sponsorship FP7 People: Marie-Curie Actions (Marie Curie Career Integration Grant PCIG11-GA-2012-321888); Liverpool John Moores University (Research stipend) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Elsevier B.V. en
dc.rights © 2018, Deutsche Gesellschaft für Säugetierkunde. Published by Elsevier GmbH. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license. en
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/ en
dc.subject Conservation en
dc.subject Feeders en
dc.subject Food supplementation en
dc.subject Invasive species en
dc.subject Squirrel abundance en
dc.title Vienna Supplementary feeding can attract red squirrels (Sciurus vulgaris) to optimal environments en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Javier Delbarco-Trillo, School Of Bio, Earth & Envir Sc Office, University College Cork, Cork, Ireland. +353-21-490-3000 Email: javier.delbarcotrillo@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2019-05-09
dc.date.updated 2018-05-18T11:22:18Z
dc.description.version Accepted Version en
dc.internal.rssid 438122167
dc.contributor.funder Liverpool John Moores University en
dc.contributor.funder FP7 People: Marie-Curie Actions en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Mammalian Biology en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress javier.delbarcotrillo@ucc.ie en
dc.internal.bibliocheck In press. Check for vol. / issue / page numbers. Amend citation as necessary.


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© 2018, Deutsche Gesellschaft für Säugetierkunde. Published by Elsevier GmbH. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license. Except where otherwise noted, this item's license is described as © 2018, Deutsche Gesellschaft für Säugetierkunde. Published by Elsevier GmbH. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
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