Results 51 to 60 of about 5,995 (180)

Do fawn‐footed mosaic‐tailed rats experience age‐related cognitive decline in novel object recognition?

open access: yesJournal of Zoology, EarlyView.
We explored age‐related cognitive decline in captive fawn‐footed mosaic‐tailed rats (Melomys cervinipes) using a novel object recognition task. Contrary to expectations, recognition memory did not decline with age, but recognition memory was lower in intermediate‐aged rats compared to both older and younger individuals.
K. DiBenedetto   +2 more
wiley   +1 more source

TOPOGRAFIA VÉRTEBRO-MEDULAR EM SAGUI-DE-TUFO-BRANCO (Callithrix jacchus, LINNAEUS 1758)

open access: yesCiência Animal Brasileira, 2013
Devido à importância do estudo da morfologia da medula espinhal, tendo em vista a sua aplicabilidade na clínica veterinária na punção de líquido cefalorraquidiano, na localização de lesões nervosas em níveis vertebrais e nas anestesias epidurais ...
Luana Célia Stunitz da Silva   +3 more
doaj   +3 more sources

Manejo experimental de saguis invasores: captura, esterilização, pós-operatório e soltura

open access: yesBiodiversidade Brasileira
O sagui-da-serra-escuro (Callithrix aurita) é um primata endêmico da Mata Atlântica do sudeste do Brasil considerado “em perigo” de extinção. Uma das principais ameaças à espécie é a expansão de congêneres invasores, que impactam a espécie nativa em ...
Larissa Vaccarini Ávila   +9 more
doaj   +1 more source

Influence of Vegetation Structure on Lemur Recolonization of Post‐Fire Habitats in Northwestern Madagascar

open access: yesAmerican Journal of Primatology, Volume 88, Issue 7, July 2026.
Lemur species respond differently to fire‐related vegetation changes (structure, species diversity) according to body size and ecological specialization in the dry deciduous forests of northwestern Madagascar. ABSTRACT Habitat quality is a key determinant of wildlife distribution. Fire degrades forests by increasing canopy openness and eliminating even
Naina Ratsimba Rabemananjara   +8 more
wiley   +1 more source

How Food Geometry and Toughness Influence Ingestive Patterns in Lemurs

open access: yesAmerican Journal of Primatology, Volume 88, Issue 7, July 2026.
Initial bite placement is influenced by food toughness and geometry. Species‐specific feeding strategies reflect differences in masticatory morphology and functional flexibility. Lemur catta is more likely to use the postcanine tooth row; Propithecus verreauxi prefers anterior biting. ABSTRACT We investigate the extent to which food toughness, geometry,
Mariana Dutra Fogaça   +4 more
wiley   +1 more source

Callithrix argentata

open access: yes, 1993
Callithrix argentata (Linnaeus, 1771). Mantissa Plantarum, 2, Appendix:521. TYPE LOCALITY: Brazil, Parâ, Cametâ, on banks of Rio Tocantins. DISTRIBUTION: N and C Brazil, E Bolivia. STATUS: CITES - Appendix II; IUCN - Vulnerable as C. a. leucippe and C. humeralifer intermedius.
openaire   +2 more sources

Callithrix flaviceps

open access: yes, 2013
19. Bufty-headed Marmoset Callithrix flaviceps French: Ouistiti a téte jaune / German: Gelbkopf-Blschelaffchen / Spanish: Titi de cabeza amarilla Taxonomy. Hapale flaviceps Thomas, 1903, Brazil, Engenheiro Rive, municipality of Alegre, SW Espirito Santo (c.20° S, 41° W). This species hybridizes with C.
Russell A. Mittermeier   +2 more
openaire   +1 more source

Surrounded by invaders: marmoset conservation challenges in Brazilian Atlantic Forest fragments

open access: yesDiscover Conservation
Fragmented landscapes resulting from Atlantic Forest loss can facilitate biological invasions by certain species of the Callithrix genus. These primates demonstrate high invasion potential, spreading across Brazil, competing for resources, and even ...
Vanessa de Paula Guimarães-Lopes   +5 more
doaj   +1 more source

Meeting report for the Second International Conference on Unconventional Animal Models of Alzheimer's Disease and Aging (UAMAA 2026)

open access: yesAlzheimer's &Dementia: Translational Research &Clinical Interventions, Volume 12, Issue 3, July/September 2026.
Abstract The Second International Conference on Unconventional Animal Models of Alzheimer's Disease and Aging (UAMAA 2026) was held February 9 through 11, 2026, in Irvine, California. Building upon the inaugural meeting in Santiago, Chile (2023), this conference expanded an international effort to develop, characterize, and rigorously evaluate non ...
Jane Alshami   +6 more
wiley   +1 more source

Callithrix argentata

open access: yes, 1982
{"references": ["Hershkovitz, P. 1977. Living New World Monkeys (Platyrrhini). University of Chicago Press, Chicago, IL, 1: 1 - 1117."]}
James H. Honacki   +2 more
openaire   +2 more sources

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