Do lambs affect feeding habitat use by lactating female mouflons in spring in areas free of predators?
Identifieur interne : 001230 ( Main/Exploration ); précédent : 001229; suivant : 001231Do lambs affect feeding habitat use by lactating female mouflons in spring in areas free of predators?
Auteurs : R. Bon [France] ; J. Joachim [France] ; M. L. Maublanc [France]Source :
- Journal of Zoology [ 0952-8369 ] ; 1995-01.
Abstract
The purpose of this study was to see if mouflon (Ovis gmelini) females with lambs have feeding habitats similar to other sex‐age classes in spring, in an area without large natural predators. Parous ewes restricted themselves to rocky and poor nutritive habitats but lambed within their winter home range. Once in matriarchal groups, females with lambs ≥ three days old fed more on rocky areas and stayed closer to safe terrain than did other mouflons which more frequently used slope tops, patches containing herbs, and pastures around a little village. Segregation between the two categories of mouflons was reduced when lambs were several weeks old during the peak growing season. Seclusion of parous females may be explained by potential predation by foxes on neonates, an asocial tendency, the need to form mother‐young bonds and the necessity for the young to develop locomotor skills. Rocky areas may also provide favourable microclimatic conditions. Two non‐exclusive hypotheses may account for the tendency of lactating females to remain near ‘escape’ terrain. First, the anti‐predator strategy could be driven in the absence of predators because of phylogenetic inertia. Secondly, the anti‐predator strategy may be learned during the autumn hunting season and exhibited during the lambing season even without predation.
Url:
DOI: 10.1111/j.1469-7998.1995.tb05126.x
Affiliations:
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Bon</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Institut de Recherche sur les Grands Mammifères, Institut National de la Recherche Agronomique, B.P. 27, 31326 Castanet‐Tolosan</wicri:regionArea><placeName><region type="region" nuts="2">Occitanie (région administrative)</region><region type="old region" nuts="2">Midi-Pyrénées</region><settlement type="city">Castanet‐Tolosan</settlement></placeName></affiliation></author><author><name sortKey="Joachim, J" sort="Joachim, J" uniqKey="Joachim J" first="J." last="Joachim">J. 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Parous ewes restricted themselves to rocky and poor nutritive habitats but lambed within their winter home range. Once in matriarchal groups, females with lambs ≥ three days old fed more on rocky areas and stayed closer to safe terrain than did other mouflons which more frequently used slope tops, patches containing herbs, and pastures around a little village. Segregation between the two categories of mouflons was reduced when lambs were several weeks old during the peak growing season. Seclusion of parous females may be explained by potential predation by foxes on neonates, an asocial tendency, the need to form mother‐young bonds and the necessity for the young to develop locomotor skills. Rocky areas may also provide favourable microclimatic conditions. Two non‐exclusive hypotheses may account for the tendency of lactating females to remain near ‘escape’ terrain. First, the anti‐predator strategy could be driven in the absence of predators because of phylogenetic inertia. Secondly, the anti‐predator strategy may be learned during the autumn hunting season and exhibited during the lambing season even without predation.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Midi-Pyrénées</li><li>Occitanie (région administrative)</li></region><settlement><li>Castanet‐Tolosan</li></settlement></list><tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Bon, R" sort="Bon, R" uniqKey="Bon R" first="R." last="Bon">R. Bon</name></region><name sortKey="Joachim, J" sort="Joachim, J" uniqKey="Joachim J" first="J." last="Joachim">J. Joachim</name><name sortKey="Maublanc, M L" sort="Maublanc, M L" uniqKey="Maublanc M" first="M. L." last="Maublanc">M. L. Maublanc</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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