Results 81 to 90 of about 43,410 (223)

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

¿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  

Morphology of Guard Hairs in Amazonian Marsupials: Intergeneric Variation, Habitat and Habit Association in a Phylogenetic Framework of the Order Didelphimorphia

open access: yesActa Zoologica, EarlyView.
ABSTRACT The cuticle and medulla of guard hairs exhibit distinct morphological patterns among mammalian species. To investigate this variability in marsupials from the Brazilian Amazon, we analysed guard hairs from nine Didelphimorphia species and incorporated data from an additional 25 didelphid species.
Matheus M. Bitencourt   +4 more
wiley   +1 more source

The raphe nuclear organization and serotonergic system in the bat (Artibeus planirostris)

open access: yesJournal of Anatomy, EarlyView.
Schematic representation of the methodological workflow used to characterize the serotonergic (5‐HT) system in the bat Artibeus planirostris. Serotonin (5‐HT) immunohistochemistry was performed on brainstem sections to identify and map the distribution of serotonergic neurons within the raphe nuclei.
Mariana D. Leite   +9 more
wiley   +1 more source

Cave use by the Broad-footed Climbing Rat Rhipidomys latimanus (Tomes, 1860) in Santander, Colombia.

open access: yesMammalogy Notes, 2020
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

Scratching beneath the surface: Quantification of muscle architecture and myosin heavy chain content in the forelimbs of black‐tailed prairie dogs (Cynomys, Rodentia)

open access: yesJournal of Anatomy, EarlyView.
Black‐tailed prairie dogs are highly social ground squirrels that excavate communal burrow systems, most often in medium‐textured soils. Their forelimbs demonstrate morphofunctional trade‐offs for scratch‐digging and terrestrial ecology, including well‐developed and fast‐contracting proximal musculature with large mechanical advantage paired with ...
Luke A. Scheetz   +4 more
wiley   +1 more source

Retinal cone photoreceptors of the deer mouse Peromyscus maniculatus : development, topography, opsin expression and spectral tuning [PDF]

open access: yes, 2013
A quantitative analysis of photoreceptor properties was performed in the retina of the nocturnal deer mouse, Peromyscus maniculatus, using pigmented (wildtype) and albino animals.
Arbogast, Patrick   +2 more
core   +2 more sources

Historical shifts, geographic biases, and biological constraints shape mammal species discovery

open access: yesJournal of Systematics and Evolution, EarlyView.
Taxonomic descriptions of mammals have become more robust from 1990 to 2025, with increased specimen sampling, broader comparisons, and more integrative methods. However, disparities remain: tropical and small‐bodied species are less comprehensively described, reflecting ongoing geographic and biological biases.
Matheus de T. Moroti   +5 more
wiley   +1 more source

Prevalence of Leishmaniasis in Rodent\'s Fauna in Turkmen Sahra, Iran

open access: yesMedical Laboratory Journal, 2015
Background and Objective: Given the Leishmaniasis is endemic in Turkmen Sahra, we aimed to study the contamination of rodents with this disease. Material and Methods: Seventy-three rodents were collected from three regions (Gonbad, Gomishan and Bandar ...
Gholipoory, M   +3 more
doaj  

Tick‐Tac‐Foe: When Ticks, Trade, and Zoonotic Pathogens Align in African Wet Meat Markets

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Zoonotic diseases account for over ∼60% of infectious diseases and present a significantly growing fatality threat in Africa. Live and wet markets (LWMs) in Africa function as key economic venues that support human livelihoods through social interaction and trade in food stuff, including meat and other animal‐based products.
Allen Takudzwa Munaro
wiley   +1 more source

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