Adaptive maternal cannibalism in snakes (Epicrates cenchria maurus, Boidae)
Identifieur interne : 00A333 ( Main/Exploration ); précédent : 00A332; suivant : 00A334Adaptive maternal cannibalism in snakes (Epicrates cenchria maurus, Boidae)
Auteurs : Olivier Lourdais [États-Unis, France] ; François Brischoux [France] ; Richard Shine [Australie] ; Xavier Bonnet [France, Australie]Source :
- Biological Journal of the Linnean Society [ 0024-4066 ] ; 2005-04.
Descripteurs français
- Pascal (Inist)
- Wicri :
English descriptors
- KwdEn :
- Adaptation, American journal, Animal behaviour, Biological evolution, Biological journal, Black bars, Body section, Body section interaction effect, Body sections, Cannibalism, Cannibalistic behaviour, Comparative physiology, Complete stomach contents, Control group, Dependent samples, Dorsal musculature, Ecology, Egg, Embryonic development, Endothermic vertebrates, Energy stores, Epaxial, Epaxial muscle width, Epaxial muscles, Epaxial musculature, Epicrates, Epicrates cenchria maurus, Error bars, Experimental design, Female boas, Filial cannibalism, Genus epicrates, Harvard university press, Heat source, Herpetological review, Independent samples, Individual identity, Initial conditions, Initial measurements, Lial, Lial cannibalism, Life history, Linnean, Linnean society, Litter, Litter mass, Lourdais, Many animal species, Maternal cannibalism, Maternal recovery, Maurus, Mitchell groves, Model ancova, Muscle thickness, Muscle width, Muscular contraction, Muscular strength, Musculature, Natural conditions, Neonate, Ophidia, Parental, Parental behavior, Parental care, Parturition, Physical performance, Polis, Posterior body, Posterior part, Postparturient, Postparturient females, Present study, Prey handling, Protein catabolism, Rainbow boas, Random factor, Rapid recovery, Reproductive, Reptile, Ross marzec, Sample size, Sister study, Skeletal muscles, Somma, Stillborn, Stillborn neonates, Stillborn offspring, Stillborns, Such increase, Time effect, Tness, Traction force, Tropical boas, Undeveloped, Undeveloped eggs, Unfed, Unfed females, Vipera aspis, Viviparous snake, White bars.
- Teeft :
- American journal, Animal behaviour, Biological journal, Black bars, Body section, Body section interaction effect, Body sections, Cannibalism, Cannibalistic behaviour, Comparative physiology, Complete stomach contents, Control group, Dependent samples, Dorsal musculature, Ecology, Embryonic development, Endothermic vertebrates, Energy stores, Epaxial, Epaxial muscle width, Epaxial muscles, Epaxial musculature, Epicrates, Epicrates cenchria maurus, Error bars, Experimental design, Female boas, Filial cannibalism, Genus epicrates, Harvard university press, Heat source, Herpetological review, Independent samples, Individual identity, Initial conditions, Initial measurements, Lial, Lial cannibalism, Life history, Linnean, Linnean society, Litter, Litter mass, Lourdais, Many animal species, Maternal cannibalism, Maternal recovery, Maurus, Mitchell groves, Model ancova, Muscle thickness, Muscle width, Muscular contraction, Muscular strength, Musculature, Natural conditions, Neonate, Parental, Parental behavior, Parental care, Parturition, Physical performance, Polis, Posterior body, Posterior part, Postparturient, Postparturient females, Present study, Prey handling, Protein catabolism, Rainbow boas, Random factor, Rapid recovery, Reproductive, Reptile, Ross marzec, Sample size, Sister study, Skeletal muscles, Somma, Stillborn, Stillborn neonates, Stillborn offspring, Stillborns, Such increase, Time effect, Tness, Traction force, Tropical boas, Undeveloped, Undeveloped eggs, Unfed, Unfed females, Vipera aspis, Viviparous snake, White bars.
Abstract
In many animal species, mothers that produce stillborn offspring or undeveloped ova immediately ingest them. This cannibalism has been interpreted in two ways: (1) as a form of parental care (to prevent disease spreading to healthy littermates, and eliminate predator‐attracting scent cues); or (2) to recycle otherwise wasted energy, thus facilitating maternal recovery. Our experimental study on captive Colombian rainbow boas (Epicrates cenchria maurus) provides the first quantitative support for this latter hypothesis. We show that by eating their non‐viable offspring and undeveloped eggs, female boas can rapidly recycle a significant component of their otherwise wasted reproductive investment. Female boas that ingested non‐viable progeny equivalent to half their litter mass exhibited rapid recovery of dorsal musculature and hence were able to constrict prey items more forcefully than were unfed females when tested 2 weeks after parturition. The consequent enhancement of constricting ability may influence maternal survival and foraging success. Thus, maternal cannibalism may be an effective tactic to avoid wasting reproductive resources, and to shorten the period required for recovery from pregnancy. © 2005 The Linnean Society of London, Biological Journal of the Linnean Society, 2005, 84, 767–774.
Url:
DOI: 10.1111/j.1095-8312.2005.00436.x
Affiliations:
- Australie, France, États-Unis
- Nouvelle-Aquitaine, Nouvelle-Galles du Sud, Poitou-Charentes
- Niort, Sydney, Villiers en Bois
- Université de Sydney
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Le document en format XML
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type="eISSN">1095-8312</idno><imprint><biblScope unit="vol">84</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="767">767</biblScope><biblScope unit="page" to="774">774</biblScope><biblScope unit="page-count">8</biblScope><publisher>Blackwell Publishing Ltd.</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2005-04">2005-04</date></imprint><idno type="ISSN">0024-4066</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0024-4066</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation</term><term>American journal</term><term>Animal behaviour</term><term>Biological evolution</term><term>Biological journal</term><term>Black bars</term><term>Body section</term><term>Body section interaction effect</term><term>Body sections</term><term>Cannibalism</term><term>Cannibalistic behaviour</term><term>Comparative physiology</term><term>Complete stomach 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cannibalism</term><term>Maternal recovery</term><term>Maurus</term><term>Mitchell groves</term><term>Model ancova</term><term>Muscle thickness</term><term>Muscle width</term><term>Muscular contraction</term><term>Muscular strength</term><term>Musculature</term><term>Natural conditions</term><term>Neonate</term><term>Ophidia</term><term>Parental</term><term>Parental behavior</term><term>Parental care</term><term>Parturition</term><term>Physical performance</term><term>Polis</term><term>Posterior body</term><term>Posterior part</term><term>Postparturient</term><term>Postparturient females</term><term>Present study</term><term>Prey handling</term><term>Protein catabolism</term><term>Rainbow boas</term><term>Random factor</term><term>Rapid recovery</term><term>Reproductive</term><term>Reptile</term><term>Ross marzec</term><term>Sample size</term><term>Sister study</term><term>Skeletal muscles</term><term>Somma</term><term>Stillborn</term><term>Stillborn neonates</term><term>Stillborn offspring</term><term>Stillborns</term><term>Such increase</term><term>Time effect</term><term>Tness</term><term>Traction force</term><term>Tropical boas</term><term>Undeveloped</term><term>Undeveloped eggs</term><term>Unfed</term><term>Unfed females</term><term>Vipera aspis</term><term>Viviparous snake</term><term>White bars</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Adaptation</term><term>Cannibalisme</term><term>Evolution biologique</term><term>Musculature</term><term>Oeuf</term><term>Ophidia</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>American journal</term><term>Animal behaviour</term><term>Biological journal</term><term>Black bars</term><term>Body section</term><term>Body section interaction effect</term><term>Body sections</term><term>Cannibalism</term><term>Cannibalistic behaviour</term><term>Comparative physiology</term><term>Complete stomach contents</term><term>Control group</term><term>Dependent samples</term><term>Dorsal musculature</term><term>Ecology</term><term>Embryonic development</term><term>Endothermic vertebrates</term><term>Energy stores</term><term>Epaxial</term><term>Epaxial muscle width</term><term>Epaxial muscles</term><term>Epaxial musculature</term><term>Epicrates</term><term>Epicrates cenchria maurus</term><term>Error bars</term><term>Experimental design</term><term>Female boas</term><term>Filial cannibalism</term><term>Genus epicrates</term><term>Harvard university press</term><term>Heat source</term><term>Herpetological review</term><term>Independent samples</term><term>Individual identity</term><term>Initial conditions</term><term>Initial measurements</term><term>Lial</term><term>Lial cannibalism</term><term>Life history</term><term>Linnean</term><term>Linnean society</term><term>Litter</term><term>Litter mass</term><term>Lourdais</term><term>Many animal species</term><term>Maternal cannibalism</term><term>Maternal recovery</term><term>Maurus</term><term>Mitchell 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effect</term><term>Tness</term><term>Traction force</term><term>Tropical boas</term><term>Undeveloped</term><term>Undeveloped eggs</term><term>Unfed</term><term>Unfed females</term><term>Vipera aspis</term><term>Viviparous snake</term><term>White bars</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>écologie</term><term>Reptile</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">In many animal species, mothers that produce stillborn offspring or undeveloped ova immediately ingest them. This cannibalism has been interpreted in two ways: (1) as a form of parental care (to prevent disease spreading to healthy littermates, and eliminate predator‐attracting scent cues); or (2) to recycle otherwise wasted energy, thus facilitating maternal recovery. Our experimental study on captive Colombian rainbow boas (Epicrates cenchria maurus) provides the first quantitative support for this latter hypothesis. We show that by eating their non‐viable offspring and undeveloped eggs, female boas can rapidly recycle a significant component of their otherwise wasted reproductive investment. Female boas that ingested non‐viable progeny equivalent to half their litter mass exhibited rapid recovery of dorsal musculature and hence were able to constrict prey items more forcefully than were unfed females when tested 2 weeks after parturition. The consequent enhancement of constricting ability may influence maternal survival and foraging success. Thus, maternal cannibalism may be an effective tactic to avoid wasting reproductive resources, and to shorten the period required for recovery from pregnancy. © 2005 The Linnean Society of London, Biological Journal of the Linnean Society, 2005, 84, 767–774.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li><li>États-Unis</li></country><region><li>Nouvelle-Aquitaine</li><li>Nouvelle-Galles du Sud</li><li>Poitou-Charentes</li></region><settlement><li>Niort</li><li>Sydney</li><li>Villiers en Bois</li></settlement><orgName><li>Université de Sydney</li></orgName></list><tree><country name="États-Unis"><noRegion><name sortKey="Lourdais, Olivier" sort="Lourdais, Olivier" uniqKey="Lourdais O" first="Olivier" last="Lourdais">Olivier Lourdais</name></noRegion><name sortKey="Lourdais, Olivier" sort="Lourdais, Olivier" uniqKey="Lourdais O" first="Olivier" last="Lourdais">Olivier Lourdais</name></country><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Lourdais, Olivier" sort="Lourdais, Olivier" uniqKey="Lourdais O" first="Olivier" last="Lourdais">Olivier Lourdais</name></region><name sortKey="Bonnet, Xavier" sort="Bonnet, Xavier" uniqKey="Bonnet X" first="Xavier" last="Bonnet">Xavier Bonnet</name><name sortKey="Bonnet, Xavier" sort="Bonnet, Xavier" uniqKey="Bonnet X" first="Xavier" last="Bonnet">Xavier Bonnet</name><name sortKey="Brischoux, Francois" sort="Brischoux, Francois" uniqKey="Brischoux F" first="François" last="Brischoux">François Brischoux</name><name sortKey="Lourdais, Olivier" sort="Lourdais, Olivier" uniqKey="Lourdais O" first="Olivier" last="Lourdais">Olivier Lourdais</name></country><country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Shine, Richard" sort="Shine, Richard" uniqKey="Shine R" first="Richard" last="Shine">Richard Shine</name></region><name sortKey="Bonnet, Xavier" sort="Bonnet, Xavier" uniqKey="Bonnet X" first="Xavier" last="Bonnet">Xavier Bonnet</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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