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Article . 2020
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Article . 2020 . Peer-reviewed
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New record in the diet of Philander andersoni

Authors: Alvarez Reyes, Alejandra Paola; González Chávez, Baltazar; Navarro Morales, Alejandro; Moreno, Albeiro; Velásquez Valencia, Alexander; Capera, Gover; Cepeda Duque, Juan Camilo;

New record in the diet of Philander andersoni

Abstract

Las especies de marsupiales de la familia Didelphidae comprenden el grupo más diverso de marsupiales que habitan América del Sur y América del Norte. Esta familia está integrada por más de 95 especies entre las cuales, las pertenecientes a las subfamilias Didelphinae y Caluromyinae son las de mayor tamaño corporal (>150 g). A pesar de su amplia distribución, la información sobre sus hábitos alimenticios es escasa, especialmente para las especies pertenecientes al género Philander. Aquí presentamos el primer registro y descripción de un evento de depredación de Philander andersoni sobre la serpiente plana tropical Siphlophis compressus, en la región Amazónica de Colombia. Por medio de observación ad libitum describimos la conducta alimenticia de P. andersoni sobre un individuo de S. compressus. El evento se registró el 31 de octubre de 2018. Durante un transecto nocturno se observó un individuo adulto de Philander andersoni mientras consumía a un espécimen de Siphlophis compresus. El marsupial mordió y haló el cuerpo de la serpiente con ayuda de su dentición premolar y sus extremidades anteriores para extraer y consumir las partes blandas del cadáver. Este registro indica que a pesar de que S. compressus presenta una serie de mecanismos antidepredatorios, como el patrón aposmático de coloración semejante a los elápidos, las conductas evasivas y las glándulas de Durvenoy, P. andersoni tiene la capacidad de consumir a esta serpiente de forma estereotipada. Este es el primer evento de consumo de S. compressus por un mamífero y aporta nuevos detalles acerca de los hábitos alimenticios de P. andersoni.Apéndice

Country
Argentina
Keywords

AMAZONIAN REGION, https://purl.org/becyt/ford/1.6, RAINFOREST, COLOMBIA, https://purl.org/becyt/ford/1, BEHAVIOR, DIDELPHIDAE

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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