Results 121 to 130 of about 52,671 (260)

Molecular Survey and Genetic Diversity of Hemoplasmas in Rodents from Chile

open access: yesMicroorganisms, 2020
Even though hemotrophic mycoplasma (hemoplasma) infections are well documented in a wide variety of hosts worldwide, there is a gap in the knowledge aobut hemoplasmas in rodents.
Amir Salvador Alabí   +9 more
doaj   +1 more source

Morphology and development of the baculum in harbour seals (Phoca vitulina)

open access: yesJournal of Zoology, EarlyView.
This study examines the ontogenetic changes in the morphology of the penis bone in the harbour seal, focusing on the implications for sexual maturity and reproductive function. A large comparative dataset of approx. 300 genital bones from 1 year to over 20 years of age was used for analyses.
T. Berghäuser   +3 more
wiley   +1 more source

Phylogenetic allometric scaling of near basal breathing frequency in terrestrial, semi‐aquatic and aquatic mammals

open access: yesExperimental Physiology, EarlyView.
Abstract We measured the BASAL breathing frequency following an overnight fast in adult, non‐pregnant/non‐lactating, inactive mammals ranging in body mass from 15 to 5520 kg. The data included results from 338 individual animals from 34 species that were divided into terrestrial, semi‐aquatic (Otariidae and Phocidae) and aquatic mammals.
Andreas Fahlman   +10 more
wiley   +1 more source

The Lost Large Mammals of Arabia

open access: yesJournal of Biogeography, Volume 52, Issue 6, June 2025.
ABSTRACT Aim If successful, plans to restore the vegetation of the Arabian Peninsula (AP) as announced by the Middle East and Saudi Green Initiatives will see the greatest increase in vegetation cover since the beginning of the Holocene Humid Phase (HHP), roughly 9–10,000 years ago.
Christopher Clarke, Sultan M. Alsharif
wiley   +1 more source

Main radiation events in Pan‐Octodontoidea (Rodentia, Caviomorpha)

open access: yes, 2015
Caviomorphs (South American hystricognaths) are recorded in the continent since the middle Eocene. The middle Eocene–early Oligocene is considered a key moment for their evolutionary history because by the early Oligocene they were differentiated into ...
M. Arnal, M. Vucetich
semanticscholar   +1 more source

In the Wake of Invasion: Tracing the Historical Biogeography of the South American Cricetid Radiation (Rodentia, Sigmodontinae)

open access: yesPLoS ONE, 2014
The Great American Biotic Interchange (GABI) was greatly influenced by the completion of the Isthmus of Panama and impacted the composition of modern faunal assemblages in the Americas. However, the contribution of preceding events has been comparatively
R. Leite   +5 more
semanticscholar   +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  

Biostratigraphic reassignment of the neogene Caenolestines (Marsupialia) of the pampean region: the case of Pliolestes Tripotamicus Reig, 1955 [PDF]

open access: yes, 2017
La reinterpretación estratigráfica de un sitio paleontológico controvertido, como las barrancas del río Quequén Salado, permitió ajustar el biocrón del marsupial cenolestino Pliolestes tripotamicus Reig.
Beilinson, Elisa   +4 more
core   +4 more sources

Faune de vertébrés de Betfia-XII (Bihor, Roumanie) et son âge chronologique. Étude des Arvicolidés (Rodentia)

open access: yesTravaux de l'Institut de Speologie Emile Racovitza, 2007
On présente la faune de Mammifères découverte dans le remplissage d’une fissure karstique, Betfia-XII, fissure ouverte par l’exploitation des calcaires barrémiens-aptiens au voisinage du village de Betfia (dép. de Bihor). Cette faune renferme 17 espèces,
ELENA TERZEA
doaj  

¿La disponibilidad del recurso trófico afecta la selección de grietas por Octomys mimax en el Desierto del Monte? [PDF]

open access: yes, 2015
Rocky habitats have a particular microclimate and a highly complex structure, providing sites that mammals can use as dens or as nesting sites to raise their young.
Campos, Valeria Evelin   +4 more
core  

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