Results 31 to 40 of about 1,450 (180)

Group effects of a non‐native plant invasion on rodent abundance

open access: yesEcosphere, 2019
Cheatgrass (Bromus tectorum) is the most prolific invading plant in western North America. Investigations determining the impact of this invasion on population state variables and community dynamics of rodents have largely occurred at the community or ...
Bryan M. Kluever   +2 more
doaj   +1 more source

Albinismo platinado en Liomys pictus (Mammalia: Heteromyidae)

open access: yesTherya, 2013
Albinism is a genetic abnormality, it can manifest as hypopigmentation or absence of color in skin, fur and eyes. The survival rate of wild animals with albinism is usually low. This paper reports the record of a platinum albino female of painted spiny pocket mouse Liomys pictus from Guerrero state, Mexico.
Matías Martínez-Coronel   +2 more
openaire   +2 more sources

Incisor enamel microstructure places New and Old World Eomyidae outside Geomorpha (Rodentia, Mammalia) [PDF]

open access: yes, 2022
Altres ajuts: CERCA Programme/Generalitat de CatalunyaThe lower incisor enamel microstructure of the fossil rodent family Eomyidae was believed to be three-layered and highly derived but rather uniform throughout the clade.
Bailey, Bruce E.   +4 more
core   +1 more source

Localized extinction of an arboreal desert lizard caused by habitat fragmentation [PDF]

open access: yes, 2013
We adopted a species' perspective for predicting extinction risk in a small, endemic, and strictly scansorial lizard (Urosaurus nigricaudus), in an old (∿60.
Culver, M.   +3 more
core   +1 more source

Prevalence of antibody to hantaviruses in humans and rodents in the Caribbean region of Colombia determined using Araraquara and Maciel virus antigens

open access: yesMemorias do Instituto Oswaldo Cruz, 2013
We tested sera from 286 agricultural workers and 322 rodents in the department of Córdoba, northeastern Colombia, for antibodies against two hantaviruses.
Camilo Guzmán   +6 more
doaj   +1 more source

Molecular Systematics of Dipodomys elator (Rodentia: Heteromyidae) and its Phylogeographic Implications [PDF]

open access: yesJournal of Mammalogy, 2000
Abstract Previous systematic studies, using morphometric, allozymic, and cytogenetic data, have produced conflicting results as to the relationship of Dipodomys elator to other species of kangaroo rats. In this study, phylogenetic relationships of D. elator and other closely related taxa (D. merriami, D. phillipsii, D. ordii, D.
Stacy J. Mantooth   +2 more
openaire   +1 more source

The accelerating influence of humans on mammalian macroecological patterns over the late Quaternary [PDF]

open access: yes, 2019
The transition of hominins to a largely meat-based diet ~1.8 million years ago led to the exploitation of other mammals for food and resources. As hominins, particularly archaic and modern humans, became increasingly abundant and dispersed across the ...
Elliott Smith, Rosemary E.   +4 more
core   +1 more source

Geographic variation and evolutionary history of Dipodomys nitratoides (Rodentia: Heteromyidae), a species in severe decline [PDF]

open access: yes, 2019
We examined geographic patterns of diversification in the highly impacted San Joaquin kangaroo rat, Dipodomys nitratoides, throughout its range in the San Joaquin Valley and adjacent basins in central California.
Cypher, BL   +4 more
core  

Structure and function of the mammalian middle ear. II: Inferring function from structure. [PDF]

open access: yes, 2015
Anatomists and zoologists who study middle ear morphology are often interested to know what the structure of an ear can reveal about the auditory acuity and hearing range of the animal in question.
Mason, Matthew J
core   +1 more source

Loxodontomys pikumche (Rodentia, Cricetidae): nueva especie para Argentina [PDF]

open access: yes, 2009
We report the first record of occurrence of Loxodontomys pikumche Spotorno et al., 1998, in the Central Andes of Argentina. We briefly describe external characters, skull, karyotype, and habitat; also, we provide general comparisons with the other known ...
Novillo, Agustina   +2 more
core  

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