Results 51 to 60 of about 24,785 (216)

Counter-gradient variation and the expensive tissue hypothesis explain parallel brain size reductions at high elevation in cricetid and murid rodents

open access: yesScientific Reports, 2023
To better understand functional morphological adaptations to high elevation (> 3000 m above sea level) life in both North American and African mountain-associated rodents, we used microCT scanning to acquire 3D images and a 3D morphometric approach to ...
Aluwani Nengovhela   +4 more
doaj   +1 more source

Peromyscus eremicus

open access: yes, 1993
Peromyscus eremicus (Baird, 1858). Mammalia in Repts. U.S. Expl. Surv., 8(1):479. TYPE LOCALITY: USA, California, Imperial Co., Old Fort Yuma, Colorado River opposite Yuma, Arizona. DISTRIBUTION: S California east to Transpecos Texas, USA, most of Baja California peninsula, south along coast to C Sinaloa and on the Mexican Plateau to N San Luis Potosi,
Musser, Guy G., Carleton, Michael D.
openaire   +1 more source

Prey Partitioning in a Diverse Carnivore Community: Implications for Reintroduced Fishers in Washington

open access: yesAnimal Conservation, EarlyView.
Using fecal DNA metabarcoding, we quantified dietary overlap among reintroduced fishers and sympatric coyotes, bobcats, and Pacific martens in Washington's North Cascades. Niche overlap was substantial for common prey but varied with body size, revealing fine‐scale resource partitioning that may limit fishers' access to energetically efficient prey ...
Kayla A. Shively   +7 more
wiley   +1 more source

Micofagia por roedores en un bosque templado del centro de México

open access: yesRevista Mexicana de Biodiversidad, 2012
La micofagia por roedores en hongos hipogeos ha sido documentada en diversos ecosistemas a nivel mundial, sin embargo el consumo de hongos epigeos por este grupo ha sido pobremente estudiado.
Citlalli Castillo-Guevara   +2 more
doaj   +1 more source

Observable Persistent Effects of Habitat Management Efforts in the Ozark Highlands After 10 Years [PDF]

open access: yes, 2019
I investigated the lasting impacts of a management plan designed to improve oak regeneration and benefit wildlife in the Ozark Highlands in Madison, Co., AR.
Carnes-Mason, Maxwell
core   +2 more sources

Characterization of the transcriptome, nucleotide sequence polymorphism, and natural selection in the desert adapted mouse Peromyscus eremicus [PDF]

open access: yes, 2014
As a direct result of intense heat and aridity, deserts are thought to be among the most harsh of environments, particularly for their mammalian inhabitants. Given that osmoregulation can be challenging for these animals, with failure resulting in death,
Eisen, Michael B, MacManes, Matthew D
core   +4 more sources

High‐elevation adaptation and gestational hypoxia jointly shape vascular development in a rodent placenta

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend We investigated how environmental hypoxia and genetic adaptation to high altitudes jointly impact the development of the placental exchange surface in ways that might protect fetal growth potential. We used wild‐derived, lab‐born North American deer mice (Peromyscus maniculatus) from low‐elevation and high‐elevation environments (
Kathryn Wilsterman   +6 more
wiley   +1 more source

Spatial variation in trophic ecology of small mammals in wetlands: support for hydrological drivers

open access: yesEcosphere, 2016
Food webs composed of similar consumers can vary based on nutrient input, habitat structure, and other factors. For wetland‐associated species, fluctuating water levels can potentially affect habitat quality, which in turn can affect trophic diversity ...
Jorista van derMerwe, Eric C. Hellgren
doaj   +1 more source

The Bold, Silent Type: Predictors of Ultrasonic Vocalizations in the Genus Peromyscus

open access: yesFrontiers in Ecology and Evolution, 2018
An ongoing question related to the evolution of monogamy is how behavioral traits that characterize individuals in monogamous species evolve, and whether monogamy influences the evolution of these traits. One of the most important models for the study of
Matina C. Kalcounis-Rueppell   +2 more
doaj   +1 more source

Reviewing the effects of food provisioning on wildlife immunity [PDF]

open access: yes, 2018
While urban expansion increasingly encroaches on natural habitats, many wildlife species capitalize on anthropogenic food resources, which have the potential to both positively and negatively influence their responses to infection.
Babayan, Simon A.   +2 more
core   +1 more source

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