Results 61 to 70 of about 9,740 (227)

Aegialomys galapagoensis (Rodentia: Cricetidae) [PDF]

open access: yesMammalian Species, 2019
AbstractAegialomys galapagoensis (Waterhouse, 1839) is a sigmodontine rodent commonly called the Galapagos rice rat. It is a medium-sized rodent, characterized by dense, soft, yellow or copper, weakly grizzled pelage; the dorsum is grayish or brownish and the ventral pelage is pale.
Joyce R Prado, Alexandre R Percequillo
openaire   +2 more sources

Rickettsiales in South America: A Systematic Review of Their Molecular Detection and Distribution in Arthropods and Vertebrates

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez   +3 more
wiley   +1 more source

Depredación de un ratón colicorto achocolatado (Necromys urichi) por una pavita ferruginea (Glaucidium brasilianum) en la Cordillera de la Costa de Venezuela

open access: yesHuitzil, 2013
Reportamos un evento de depredación de un ratón colicorto achocolatado (Necromys urichi) por una pavita ferruginea (Glaucidium brasilianum) en la Cordillera de la Costa, al norte de Venezuela. Dicho evento consistió en la observación de un individuo de G.
Marcial Quiroga-Carmona   +1 more
doaj   +1 more source

Un nuevo género para Habrothrix angustidens y Akodon serrensis (RODENTIA, CRICETIDAE): de nuevo palentología y neontología se encuentran en el legado de Lund [PDF]

open access: yes, 2016
We describe a new genus of sigmodontine rodent to allocate a fossil species from Lagoa Santa cave deposits, Habrothrix angustidens Winge, and a living species from southeastern Atlantic Forest described at the start of the past century, Akodon serrensis ...
Geise, Lena   +3 more
core  

Cricetidae Fischer 1817

open access: yes, 2017
Family CRICETIDAE (TRUE HAMSTERS, VOLES, LEMMINGS AND NEW WORLD RATS AND MICE) • Very small to medium-large rodents, rarely large, mostly with generalized cursorial body plans and typically not sexually dimorphic. • 10-70 cm. • Holarctic and Neotropical regions, marginally into Indo-Malayan Region. • Virtually all terrestrial and some aquatic habitats.
Don E. Wilson   +2 more
openaire   +2 more sources

Peromyscus levipes (Rodentia: Cricetidae) [PDF]

open access: yesMammalian Species, 2009
Abstract Peromyscus levipes Merriam, 1898, commonly called the nimbled-footed deermouse, is 1 of 56 species of Peromyscus. It is often confused with other members of the boylii group; therefore, researchers may need to rely on craniometric and karyotypic data to make a positive identification. P.
Álvarez-Castañeda, Sergio Ticul   +1 more
openaire   +2 more sources

Dehnel's Phenomenon in Mammals

open access: yesMammal Review, Volume 56, Issue 2, June 2026.
Some small mammals, which remain active year‐round, undergo reversible reductions in body size, braincase height, and the mass of internal organs, including the brain, from summer to winter. It is called Dehnel's phenomenon. In this review, we summarise knowledge of the mechanisms, adaptive value, and genetic basis of the phenomenon, and show how new ...
Jan R. E. Taylor   +2 more
wiley   +1 more source

The record of cricetid rodents across the Eocene–Oligocene transition in Transylvania, Romania: implications for the “Grande Coupure” at European scale

open access: yesActa Palaeontologica Polonica
A number of localities in Transylvania (Romania) have yielded vertebrate microfossil remains. Two localities have been stratigraphically and biochronologically dated to the late Eocene: i.e., Treznea and Bociu. The remaining three localities are dated to
Olivier Maridet   +5 more
doaj   +1 more source

Estado sistemático, distribución geográfica y datos etoecológicos de algunos mamíferos neotropicales (Marsupialia y Rodentia) con la descripción de Cabreramys, género nuevo (Cricetidae)

open access: yesActa Zoológica Lilloana, 2022
Los autores estudian el estado sistemático, el rango geográfico y los datos etoecológicos de los mamíferos neotropicales (Marsupialia y Rodentia) y describen un nuevo género, Cabreramys, (Cricetidae). Se documentan dos nuevas localidades en la Provincia
Elio Massoia, Abel Fornes
doaj  

Răspândirea trematodului Plagiorchis elegans (Rudolphi, 1802) la rozătoarele mici din diverse biotopuri ale Republicii Moldova

open access: yesActa et Commentationes: Ştiinţe Exacte şi ale Naturii, 2021
Prevalenţa cu Plaghiorchis elegans a fost înregistrată după cum urmează: la Clethrionomys glareolus– 3,8%, la Apodemus sylvaticus– 19,2%, la A. agrarius– 11,8% şi la A. flavicolis– 12,8%. Lipsa trematodului cauzal P.
Oleg Chihai
doaj   +1 more source

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