Results 41 to 50 of about 774 (182)

Veia porta do preá (Galea spixii Wagler, 1831)

open access: yesBiotemas, 2013
O preá é um roedor pertencente à família Caviidae. O objetivo deste artigo, considerando a inexistência de informações na literatura, é descrever a origem da veia porta no preá.
Gleidson Benevides de Oliveira   +5 more
doaj   +1 more source

Roedores da Bacia do Alto Paraguai: uma revisão do conhecimento do planalto à planície pantaneira

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2021
A ordem Rodentia representa aproximadamente 39% da diversidade mundial de mamíferos, sendo que para o Brasil são reconhecidos atualmente 76 gêneros e 263 espécies.
Pâmela Castro Antunes   +10 more
doaj   +1 more source

Los mamíferos de la formación Río Quinto (Plioceno), provincia de San Luis (Argentina). Aspectos bioestratigráficos, zoogeográficos y paleoambientales

open access: yesEstudios Geologicos, 1998
Se describe la asociación faunística procedente de la cantera Díaz Nogarol, provincia de San Luis (Argentina). Se han identificado representantes de cinco familias de xenartros, notoungulados y roedores: l.
J. L. Prado   +4 more
doaj   +1 more source

A new capybara from the late Miocene of San Juan Province, Argentina, and its phylogenetic implications [PDF]

open access: yesActa Palaeontologica Polonica, 2019
A new hydrochoerine rodent, Cardiatherium calingastaense sp. nov. (Caviidae), is described based on the specimen INGEO-PV 87. It was recovered from the late Miocene Las Flores Formation, cropping out at the Puchuzum locality, San Juan Province, Argentina.
Esperanza Cerdeño   +3 more
doaj   +1 more source

LOCOMOTION IN THE FASTEST RODENT, THE MARA Dolichotis patagonum (CAVIOMORPHA; CAVIIDAE; DOLICHOTINAE)

open access: yesMastozoología Neotropical, 2019
Fil: Silva Climaco das Chagas, Karine.
Climaco das Chagas, Karine Silva   +5 more
openaire   +3 more sources

Small vertebrates in the spectacled bear’s diet (Tremarctos ornatus Cuvier, 1825) in the north of Peru

open access: yesRevista Peruana de Biología, 2016
There have been numerous studies about Spectacled bear´s diet, however little is known about the small vertebrates it consumes. This study present nine vertebrate species (seven rodent and two birds) as preys of the Spectacled bear, based on the analysis
Fiorella N. Gonzales   +3 more
doaj   +1 more source

Tails of Biodiversity: Vertebrate Community Assessment in a Neotropical River Basin via eDNA Metabarcoding

open access: yesEnvironmental DNA, Volume 8, Issue 1, January–February 2026.
This study used environmental DNA (eDNA) metabarcoding to assess vertebrate biodiversity in headwater streams of the Rio Santo Antônio basin, southeastern Brazil, a tributary of the Rio Doce. A total of 119 vertebrate OTUs were identified, with oxidation–reduction potential emerging as the strongest environmental predictor of species richness.
Larissa Moreira‐Silva   +8 more
wiley   +1 more source

The Free‐Range Rock Cavy (Kerodon rupestris) Communicates the Urgency of a Threat Using Different Alarm Calls

open access: yesEthology, Volume 131, Issue 10, Page 175-186, October 2025.
Rock cavy alarm calls are finely modulated by threat proximity. ABSTRACT This study examines whether rock cavies (Kerodon rupestris), which are social rodents, modulate their alarm calls in response to various threat contexts. Conducted across four sample areas within two study sites in the Brazilian Caatinga region, alarm calls were collected using ...
Wesley N. Almeida   +3 more
wiley   +1 more source

Wild Encounters: Analyzing Human–Animal Interactions in British and Irish Association of Zoos and Aquariums Facilities

open access: yesZoo Biology, Volume 44, Issue 5, Page 461-473, September/October 2025.
We investigated the quantity and diversity of animal–visitor interactions in BIAZA‐accredited facilities, finding 740 opportunities for interactions across a range of contexts including walkthroughs and handling. Meet and greets were the most offered and were influenced by the number of individual animals, cost of interaction, and animal popularity ...
Thomas Welsh   +4 more
wiley   +1 more source

Portal vein of Spix’s yellow-toothed cavy (Galea spixii Wagler, 1831) [PDF]

open access: yesBiotemas, 2013
Spix’s yellow-toothed cavy is a rodent belonging to the Caviidae family. This paper, taking into account the lack of information in the literature, aims to describe the portal vein origin in Spix’s yellow-toothed cavy.
Márcio Nogueira Rodrigues   +5 more
doaj  

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