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      First description of the breeding nest of Irenomys tarsalis, a sigmodontine rodent endemic to southern Andean forests Translated title: Primera descripción del nido de Irenomys tarsalis, un roedor sigmodontino endémico de los bosques subandinos

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          Abstract

          The Chilean tree rat, Irenomys tarsalis, is a sigmodontine rodent endemic to the southern Andean forests. Very little is known about its habits. The aim of this work was to describe its breeding nest. A nest was located inside the hollow of a living Lenga Beech (Nothofagus pumilio) near Fontana Lake, Chubut province, Argentina. The nest was located 2 m above ground and inside an oval hollow, with 2 openings in the upper part and opposite to the main cavity entrance. The nest was built with a few feathers and lichens, dry and fine grass, pieces of small sticks, and scraped material from the internal side of the trunk. Two specimens of flea from the Rhopalopsyllidae family were recovered from the nest. This note allowed us to add new information on the breeding biology of one of the least known sigmodontines of the southern temperate rain forest and to the limited knowledge of sigmodontine rodents.

          Translated abstract

          La rata de los árboles, Irenomys tarsalis, es un sigmodontino endémico de los bosques subandinos y se sabe muy poco acerca de sus hábitos. El objetivo de este trabajo fue describir su nido. Éste se encontró en el interior de un hueco de una lenga (Nothofagus pumilio) en las proximidades del lago Fontana, provincia del Chubut, Argentina. El nido estaba situado 2 m por encima del suelo y dentro de un hueco de forma ovalada, con 2 aberturas en la parte superior y opuestas a la principal. El nido estaba formado por pocas plumasy líquenes, hierba seca y fina, trozos de palillos y material raspado de la superficie interna del tronco. La fauna de artrópodos hallada en el material del nido estuvo comprendida por 2 ejemplares de pulgas de la familia Rhopalopsyllidae. Esta nota permitió añadir nueva información sobre la biología de la reproducción de uno de los sigmodontinos menos conocidos del bosque templado de sudamérica y al conocimiento limitado sobre roedores sigmodontinos.

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          Most cited references27

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          The mammals of Chile

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            Annotated keys for identifying small mammals living in or near Nahuel Huapi National Park or Lanin National Park southern Argentina

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              Characteristics of a Mammalian Fauna from Forests in Patagonia, Southern Argentina

              O. Pearson (1983)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología (México )
                2007-8706
                2014
                : 85
                : 3
                : 987-989
                Affiliations
                [1 ] Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
                [2 ] Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
                Article
                S1870-34532014000400033
                10.7550/rmb.44050
                06a61dde-2a99-45d7-994c-9cdd1f96a948

                http://creativecommons.org/licenses/by/4.0/

                History
                Categories
                Biodiversity Conservation

                Animal science & Zoology
                Chilean tree rat,nesting,Nothofagus,Patagonia,Argentina,rata de los árboles,nidificación

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