Results 51 to 60 of about 591 (163)
Journal of Morphology, Volume 286, Issue 8, August 2025.Caraguatypotherium munozi displays a distinctive morphofunctional configuration combining high wrist flexor leverage with reduced elbow mechanical advantage—traits consistent with wrist‐dominated scratch‐digging. Multivariate analyses place it outside the core morphospaces of extant locomotor groups.
Paul Medina‐González, Karen Moreno
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Austral Ecology, Volume 50, Issue 7, July 2025.We found rich and compositionally different assemblages of medium and large‐sized mammals in protected areas on the southern edge of Amazon. However, both have high rates of mammal defaunation. We argue that anthropogenic threats in the Amazon Arc of Deforestation are eroding large ungulate populations, especially peccaries.
Mateus Melo‐Dias +6 more
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Lipids, Volume 60, Issue 3, Page 143-153, May 2025.Abstract The order Rodentia comprises nearly 45% of all extant taxa, currently organized into 31 living families, some 450 genera, and roughly 2010 species (Kelt & Patton, 2020). Considering that rodents began evolving at least 66 million years ago, it is not surprising that they have diversified into five distinct suborders.
Don L. Puppione
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Diversity and Distributions, Volume 31, Issue 5, May 2025.ABSTRACT Aim Climate change represents one of the main threats to global biodiversity, and such alterations are expected to induce shifts in distribution ranges and diversity patterns. We evaluate if protected areas and forest remnants in the Atlantic Forest in South America (AF) are projected to ensure the taxonomic diversity (TD) and phylogenetic ...
Gabriela Alves‐Ferreira +8 more
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Ecology and Evolution, Volume 15, Issue 2, February 2025.This study presents mitogenomic analyses of three squirrel (Sciuridae) and three dormouse (Gliridae) species from Türkiye, uncovering significant phylogenetic and phylogeographic insights within the suborder Sciuromorpha. Phylogenetic analyses positioned Gliridae as the basal group within the suborder, and mitogenomic and CYTB data revealed distinct ...
Osman İbiş +6 more
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Limb bone stress in the mara Dolichotis patagonum (Caviomorpha; Caviidae; Dolichotinae)
, 2020 The mara Dolichotis patagonum (Caviomorpha, Caviidae) is probably the extant rodent with the most pronounced postcranial specializations for fast locomotion. When running the species can reach a speed of ~40 km/h. It has been suggested that its body posture and limb bones show evolutionary parallelism regarding small-sized artiodactyl species.
Vassallo, Aldo Iván +1 more
openaire +2 more sources
Global Variation in Zooplankton Niche Divergence Across Ocean Basins
Ecology Letters, Volume 28, Issue 2, February 2025.We explored the evidence of niche divergence between population for marine zooplankton globally. We found 44% of all population comparisons show niche divergence. Niche divergence varied across temperature and bathymetry gradients for copepods. ABSTRACT Modelling responses to climate change assumes zooplankton populations remain similar over time with ...
Niall McGinty, Andrew Irwin
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Ramos colaterais do Arco aórtico do preá (Galea spixii Wagler, 1831)
Pesquisa Veterinária Brasileira, 2015 Resumo: O preá é um roedor típico da caatinga pertencente à família Caviidae. Considerando a inexistência de dados sobre o arco aórtico do preá, foi realizado este estudo tendo como objetivo descrever os ramos colaterais do arco aórtico neste cavídeo, e ...
Radan E.M. Oliveira +7 more
doaj +1 more source
Ultrasonographic measurements of the normal adrenal glands in guinea pigs (Cavia Porcellus)
Veterinary Radiology &Ultrasound, Volume 65, Issue 4, Page 385-391, July 2024.Abstract Hyperadrenocorticism is an uncommon but important endocrine disease in guinea pigs, but due to its subtle clinical signs and the limited information in veterinary literature, it can be underdiagnosed or misdiagnosed. Ultrasound of the adrenal glands in patients with suspected hyperadrenocorticism can help in identifying adrenomegaly.
Domenico Sainato +4 more
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Papers in Palaeontology, Volume 10, Issue 3, May/June 2024.Abstract Caviomorph rodents are endemic to South America and are one of the most adaptively diverse radiations of rodents today. Although their origin and diversification have been intensively studied, questions still remain about many of the details of where, when and how the group radiated.
Ornella C. Bertrand +5 more
wiley +1 more source