Effects of Group Size on Approach to Novel Objects in Ravens (Corvus corax)
Identifieur interne : 000405 ( Main/Exploration ); précédent : 000404; suivant : 000406Effects of Group Size on Approach to Novel Objects in Ravens (Corvus corax)
Auteurs : Mareike Stöwe [Autriche] ; Thomas Bugnyar [Autriche, États-Unis] ; Bernd Heinrich [États-Unis] ; Kurt Kotrschal [Autriche]Source :
- Ethology [ 0179-1613 ] ; 2006-11.
Abstract
Neophobia may constrain explorative behaviour, learning and innovation, while social context may facilitate approach to novel objects and acceptance of novel food. We examined the effects of neophobia on the exploration of novel objects in relation to social context in ravens (Corvus corax). Ravens are suitable subjects for studying effects of social context, as they are highly neophobic scavengers that recruit conspecifics to food. We tested two groups of six and 11 hand‐raised birds in three conditions: single‐bird, in dyadic combinations and sibling sub‐groups of three to six birds. Contrary to expectation, individuals of both groups were quicker to approach novel objects when tested alone than when tested with conspecifics. However, they spent more time close to and manipulating the novel objects in the social conditions (dyadic and group) than when being alone. We discuss the possibility that the higher latencies of dyads and groups to approach novel objects may reflect a ‘negotiation’ process in a ‘war of attrition’ between the individuals over risk‐taking.
Url:
DOI: 10.1111/j.1439-0310.2006.01273.x
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: 000120
- to stream Istex, to step Curation: 000120
- to stream Istex, to step Checkpoint: 000165
- to stream Main, to step Merge: 000405
- to stream Main, to step Curation: 000405
Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effects of Group Size on Approach to Novel Objects in Ravens (Corvus corax)</title><author><name sortKey="Stowe, Mareike" sort="Stowe, Mareike" uniqKey="Stowe M" first="Mareike" last="Stöwe">Mareike Stöwe</name></author><author><name sortKey="Bugnyar, Thomas" sort="Bugnyar, Thomas" uniqKey="Bugnyar T" first="Thomas" last="Bugnyar">Thomas Bugnyar</name></author><author><name sortKey="Heinrich, Bernd" sort="Heinrich, Bernd" uniqKey="Heinrich B" first="Bernd" last="Heinrich">Bernd Heinrich</name></author><author><name sortKey="Kotrschal, Kurt" sort="Kotrschal, Kurt" uniqKey="Kotrschal K" first="Kurt" last="Kotrschal">Kurt Kotrschal</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:627C8B641954222758040E18CA37AE2C0CA24FD0</idno><date when="2006" year="2006">2006</date><idno type="doi">10.1111/j.1439-0310.2006.01273.x</idno><idno type="url">https://api.istex.fr/document/627C8B641954222758040E18CA37AE2C0CA24FD0/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000120</idno><idno type="wicri:Area/Istex/Curation">000120</idno><idno type="wicri:Area/Istex/Checkpoint">000165</idno><idno type="wicri:doubleKey">0179-1613:2006:Stowe M:effects:of:group</idno><idno type="wicri:Area/Main/Merge">000405</idno><idno type="wicri:Area/Main/Curation">000405</idno><idno type="wicri:Area/Main/Exploration">000405</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Effects of Group Size on Approach to Novel Objects in Ravens (Corvus corax)</title><author><name sortKey="Stowe, Mareike" sort="Stowe, Mareike" uniqKey="Stowe M" first="Mareike" last="Stöwe">Mareike Stöwe</name><affiliation wicri:level="1"><country xml:lang="fr">Autriche</country><wicri:regionArea> Konrad Lorenz Research Station, Grünau</wicri:regionArea><wicri:noRegion>Grünau</wicri:noRegion></affiliation></author><author><name sortKey="Bugnyar, Thomas" sort="Bugnyar, Thomas" uniqKey="Bugnyar T" first="Thomas" last="Bugnyar">Thomas Bugnyar</name><affiliation wicri:level="1"><country xml:lang="fr">Autriche</country><wicri:regionArea> Konrad Lorenz Research Station, Grünau</wicri:regionArea><wicri:noRegion>Grünau</wicri:noRegion></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea> University of Vermont, Burlington, VT</wicri:regionArea><placeName><region type="state">Vermont</region></placeName></affiliation></author><author><name sortKey="Heinrich, Bernd" sort="Heinrich, Bernd" uniqKey="Heinrich B" first="Bernd" last="Heinrich">Bernd Heinrich</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea> University of Vermont, Burlington, VT</wicri:regionArea><placeName><region type="state">Vermont</region></placeName></affiliation></author><author><name sortKey="Kotrschal, Kurt" sort="Kotrschal, Kurt" uniqKey="Kotrschal K" first="Kurt" last="Kotrschal">Kurt Kotrschal</name><affiliation wicri:level="1"><country xml:lang="fr">Autriche</country><wicri:regionArea> Konrad Lorenz Research Station, Grünau</wicri:regionArea><wicri:noRegion>Grünau</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Ethology</title><idno type="ISSN">0179-1613</idno><idno type="eISSN">1439-0310</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2006-11">2006-11</date><biblScope unit="volume">112</biblScope><biblScope unit="issue">11</biblScope><biblScope unit="page" from="1079">1079</biblScope><biblScope unit="page" to="1088">1088</biblScope></imprint><idno type="ISSN">0179-1613</idno></series><idno type="istex">627C8B641954222758040E18CA37AE2C0CA24FD0</idno><idno type="DOI">10.1111/j.1439-0310.2006.01273.x</idno><idno type="ArticleID">ETH1273</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0179-1613</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Neophobia may constrain explorative behaviour, learning and innovation, while social context may facilitate approach to novel objects and acceptance of novel food. We examined the effects of neophobia on the exploration of novel objects in relation to social context in ravens (Corvus corax). Ravens are suitable subjects for studying effects of social context, as they are highly neophobic scavengers that recruit conspecifics to food. We tested two groups of six and 11 hand‐raised birds in three conditions: single‐bird, in dyadic combinations and sibling sub‐groups of three to six birds. Contrary to expectation, individuals of both groups were quicker to approach novel objects when tested alone than when tested with conspecifics. However, they spent more time close to and manipulating the novel objects in the social conditions (dyadic and group) than when being alone. We discuss the possibility that the higher latencies of dyads and groups to approach novel objects may reflect a ‘negotiation’ process in a ‘war of attrition’ between the individuals over risk‐taking.</div></front></TEI><affiliations><list><country><li>Autriche</li><li>États-Unis</li></country><region><li>Vermont</li></region></list><tree><country name="Autriche"><noRegion><name sortKey="Stowe, Mareike" sort="Stowe, Mareike" uniqKey="Stowe M" first="Mareike" last="Stöwe">Mareike Stöwe</name></noRegion><name sortKey="Bugnyar, Thomas" sort="Bugnyar, Thomas" uniqKey="Bugnyar T" first="Thomas" last="Bugnyar">Thomas Bugnyar</name><name sortKey="Kotrschal, Kurt" sort="Kotrschal, Kurt" uniqKey="Kotrschal K" first="Kurt" last="Kotrschal">Kurt Kotrschal</name></country><country name="États-Unis"><region name="Vermont"><name sortKey="Bugnyar, Thomas" sort="Bugnyar, Thomas" uniqKey="Bugnyar T" first="Thomas" last="Bugnyar">Thomas Bugnyar</name></region><name sortKey="Heinrich, Bernd" sort="Heinrich, Bernd" uniqKey="Heinrich B" first="Bernd" last="Heinrich">Bernd Heinrich</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Eau/explor/ScalaireV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000405 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 000405 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Wicri/Eau
|area= ScalaireV1
|flux= Main
|étape= Exploration
|type= RBID
|clé= ISTEX:627C8B641954222758040E18CA37AE2C0CA24FD0
|texte= Effects of Group Size on Approach to Novel Objects in Ravens (Corvus corax)
}}
| This area was generated with Dilib version V0.6.27. |  |