Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina

Autores
Prieto, Yanina; Giraudo, Alejandro Raul; Lopez, Maria Soledad
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Feeding ecology is one of the most important aspects in the life history of snakes; however, studies about their trophic ecology are scarce and sometimes inaccurate. Liophis poecylogyrus is a medium-sized snake distributed widely in South America and relatively abundant in the study area. We describe the diet and sexual dimorphism of L. poecilogyrus from northeast Argentina based on the examination of museum specimens, and we compare our data with studies that include representative samples of this species. Amphibians were the most frequent prey (75), but only one reptile was found (1). Families represented were: Bufonidae (53), Leiuperidae (19), Leptodactylidae (14), Hylidae (7), Cycloramphidae (3), Microhylidae (2), and Gymnophthalmidae (2). We observed that L. poecilogyrus has significant sexual size dimorphism in all morphometric characters analyzed but not in scalation variables. Despite the fact that L. poecilogyrus is considered by some to be an omni-carnivore, our data and other quantitative studies on distant populations from South America lead us to suggest that this species eats primarily anurans. The population studied has its own characteristics but retains similarities with geographically nearby and remote populations. This species is a specialist and its feeding habits seem to be conservative both in different populations of the same species and in phylogenetically related species. Sexual size dimorphism may be a common feature of the taxonomic group.
Fil: Prieto, Yanina. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; Argentina
Fil: Giraudo, Alejandro Raul. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Fil: Lopez, Maria Soledad. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; Argentina
Materia
Feeding Ecology
Liophis Poecilogyrus
Sexual Dimorphism
Snakes
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/70936
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/70936
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast ArgentinaPrieto, YaninaGiraudo, Alejandro RaulLopez, Maria SoledadFeeding EcologyLiophis PoecilogyrusSexual DimorphismSnakeshttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Feeding ecology is one of the most important aspects in the life history of snakes; however, studies about their trophic ecology are scarce and sometimes inaccurate. Liophis poecylogyrus is a medium-sized snake distributed widely in South America and relatively abundant in the study area. We describe the diet and sexual dimorphism of L. poecilogyrus from northeast Argentina based on the examination of museum specimens, and we compare our data with studies that include representative samples of this species. Amphibians were the most frequent prey (75), but only one reptile was found (1). Families represented were: Bufonidae (53), Leiuperidae (19), Leptodactylidae (14), Hylidae (7), Cycloramphidae (3), Microhylidae (2), and Gymnophthalmidae (2). We observed that L. poecilogyrus has significant sexual size dimorphism in all morphometric characters analyzed but not in scalation variables. Despite the fact that L. poecilogyrus is considered by some to be an omni-carnivore, our data and other quantitative studies on distant populations from South America lead us to suggest that this species eats primarily anurans. The population studied has its own characteristics but retains similarities with geographically nearby and remote populations. This species is a specialist and its feeding habits seem to be conservative both in different populations of the same species and in phylogenetically related species. Sexual size dimorphism may be a common feature of the taxonomic group.Fil: Prieto, Yanina. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; ArgentinaFil: Giraudo, Alejandro Raul. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; ArgentinaFil: Lopez, Maria Soledad. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; ArgentinaSociety for the Study of Amphibians and Reptiles2012-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/70936Prieto, Yanina; Giraudo, Alejandro Raul; Lopez, Maria Soledad; Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina; Society for the Study of Amphibians and Reptiles; Journal of Herpetology; 46; 3; 9-2012; 402-4060022-1511CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://bioone.org/journals/journal-of-herpetology/volume-46/issue-3/10-228/Diet-and-Sexual-Dimorphism-of-Liophis-poecilogyrus-Serpentes-Dipsadidae-from/10.1670/10-228.shortinfo:eu-repo/semantics/altIdentifier/doi/10.1670/10-228info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:11:53Zoai:ri.conicet.gov.ar:11336/70936instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:11:54.184CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
title Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
spellingShingle Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
Prieto, Yanina
Feeding Ecology
Liophis Poecilogyrus
Sexual Dimorphism
Snakes
title_short Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
title_full Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
title_fullStr Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
title_full_unstemmed Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
title_sort Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina
dc.creator.none.fl_str_mv Prieto, Yanina
Giraudo, Alejandro Raul
Lopez, Maria Soledad
author Prieto, Yanina
author_facet Prieto, Yanina
Giraudo, Alejandro Raul
Lopez, Maria Soledad
author_role author
author2 Giraudo, Alejandro Raul
Lopez, Maria Soledad
author2_role author
author
dc.subject.none.fl_str_mv Feeding Ecology
Liophis Poecilogyrus
Sexual Dimorphism
Snakes
topic Feeding Ecology
Liophis Poecilogyrus
Sexual Dimorphism
Snakes
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Feeding ecology is one of the most important aspects in the life history of snakes; however, studies about their trophic ecology are scarce and sometimes inaccurate. Liophis poecylogyrus is a medium-sized snake distributed widely in South America and relatively abundant in the study area. We describe the diet and sexual dimorphism of L. poecilogyrus from northeast Argentina based on the examination of museum specimens, and we compare our data with studies that include representative samples of this species. Amphibians were the most frequent prey (75), but only one reptile was found (1). Families represented were: Bufonidae (53), Leiuperidae (19), Leptodactylidae (14), Hylidae (7), Cycloramphidae (3), Microhylidae (2), and Gymnophthalmidae (2). We observed that L. poecilogyrus has significant sexual size dimorphism in all morphometric characters analyzed but not in scalation variables. Despite the fact that L. poecilogyrus is considered by some to be an omni-carnivore, our data and other quantitative studies on distant populations from South America lead us to suggest that this species eats primarily anurans. The population studied has its own characteristics but retains similarities with geographically nearby and remote populations. This species is a specialist and its feeding habits seem to be conservative both in different populations of the same species and in phylogenetically related species. Sexual size dimorphism may be a common feature of the taxonomic group.
Fil: Prieto, Yanina. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; Argentina
Fil: Giraudo, Alejandro Raul. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Fil: Lopez, Maria Soledad. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción; Argentina
description Feeding ecology is one of the most important aspects in the life history of snakes; however, studies about their trophic ecology are scarce and sometimes inaccurate. Liophis poecylogyrus is a medium-sized snake distributed widely in South America and relatively abundant in the study area. We describe the diet and sexual dimorphism of L. poecilogyrus from northeast Argentina based on the examination of museum specimens, and we compare our data with studies that include representative samples of this species. Amphibians were the most frequent prey (75), but only one reptile was found (1). Families represented were: Bufonidae (53), Leiuperidae (19), Leptodactylidae (14), Hylidae (7), Cycloramphidae (3), Microhylidae (2), and Gymnophthalmidae (2). We observed that L. poecilogyrus has significant sexual size dimorphism in all morphometric characters analyzed but not in scalation variables. Despite the fact that L. poecilogyrus is considered by some to be an omni-carnivore, our data and other quantitative studies on distant populations from South America lead us to suggest that this species eats primarily anurans. The population studied has its own characteristics but retains similarities with geographically nearby and remote populations. This species is a specialist and its feeding habits seem to be conservative both in different populations of the same species and in phylogenetically related species. Sexual size dimorphism may be a common feature of the taxonomic group.
publishDate 2012
dc.date.none.fl_str_mv 2012-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/70936
Prieto, Yanina; Giraudo, Alejandro Raul; Lopez, Maria Soledad; Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina; Society for the Study of Amphibians and Reptiles; Journal of Herpetology; 46; 3; 9-2012; 402-406
0022-1511
CONICET Digital
CONICET
url http://hdl.handle.net/11336/70936
identifier_str_mv Prieto, Yanina; Giraudo, Alejandro Raul; Lopez, Maria Soledad; Diet and sexual dimorphism of liophis poecilogyrus (serpentes, dipsadidae) from the wetland regions of Northeast Argentina; Society for the Study of Amphibians and Reptiles; Journal of Herpetology; 46; 3; 9-2012; 402-406
0022-1511
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://bioone.org/journals/journal-of-herpetology/volume-46/issue-3/10-228/Diet-and-Sexual-Dimorphism-of-Liophis-poecilogyrus-Serpentes-Dipsadidae-from/10.1670/10-228.short
info:eu-repo/semantics/altIdentifier/doi/10.1670/10-228
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Society for the Study of Amphibians and Reptiles
publisher.none.fl_str_mv Society for the Study of Amphibians and Reptiles
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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