Results 31 to 40 of about 5,690 (270)
Chromatic anomalies in Akodontini (Cricetidae: Sigmodontinae) [PDF]
F. A. Silva+4 more
doaj +5 more sources
The Oryzomyini is the most diverse tribe of the sigmodontine (Cricetidae: Sigmodontinae) radiation, including 28 genera and about 130 species, with this diversity reflected in the ecological and morphological variation observed among members.
Joyce R Prado+1 more
exaly +2 more sources
Cave use by the Broad-footed Climbing Rat Rhipidomys latimanus (Tomes, 1860) in Santander, Colombia.
In this note, I report two field observations of R. latimanus using caves. These records provide new data about the natural history of R. latimanus, previously, this species was considered mainly arboreal and solitary.
Miguel Rodríguez-Posada
doaj +1 more source
Placentation in Sigmodontinae: a rodent taxon native to South America [PDF]
Abstract Background Sigmodontinae, known as "New World rats and mice," is a large subfamily of Cricetidae for which we herein provide the first comprehensive investigation of the placenta. Methods Placentas of various gestational ages ranging from early pregnancy to near ...
Favaron, Phelipe O+6 more
openaire +5 more sources
Distribution extension of Abrawayaomys ruschii Cunha and Cruz, 1979 (Rodentia: Cricetidae) with the first records in the state of Paraná, southern Brazil [PDF]
Abrawayaomys ruschii is a rare sigmodontinae rodent with fewer than 10 known localities distributed in the states of Espírito Santo, Minas Gerais, Rio de Janeiro and Santa Catarina.
Ricardo Cerboncini+9 more
doaj +3 more sources
First record of Neotomys ebriosus Thomas, 1894 (Mammalia: Rodentia: Sigmodontinae) from Tucuman province, northwestern Argentina [PDF]
Neotomys ebriosus Thomas, 1894 (Mammalia: Rodentia: Sigmodontinae) is a monotypic genus of sigmodontine rodent restricted to the Central Andes of South America.
Ignaico Ferro, Ruben Barquez
doaj +3 more sources
Se describen nuevos restos de sigmodontinos provenientes de la localidad Bajo San José (sudoeste de la provincia de Buenos Aires, Argentina), de Edad Ensenadense (Pleistoceno temprano-medio).
U. F. J. Pardiñas, C. Deschamps
doaj +1 more source
Kunsia tomentosus (Rodentia: Cricetidae) [PDF]
Kunsia tomentosus (Lichtenstein, 1830), the woolly giant rat, is a semifossorial cricetid typically associated with the Cerrado and Beni domains in central South America. Kunsia was recently revised and includes only 1 species.
Bezerra, Alexandra M. R.+1 more
core +2 more sources
Rodentia has a high species number and chromosomal variability. The South American genus Akodon is one of the most speciose muroids, with more than 40 species included in several species groups.
C. Labaroni+10 more
semanticscholar +1 more source
Divergence in Zygodontomys (Rodentia: Sigmodontinae) and Distribution of Amazonian Savannas [PDF]
Northern South America presents a diverse array of nonforest or savanna-like ecosystems that are patchily distributed. The distribution of these open habitats has been quite dynamic during Quaternary glacial-interglacial cycles; yet, the relevance of climatically driven vicariance events to the diversification of nonforest Amazonian vertebrates remains
Luiz Flamarion B. Oliveira+4 more
openaire +3 more sources