Results 71 to 80 of about 199,462 (184)

The origin and evolution of neotropical primates

, 2008
A significant event in the early evolution of Primates is the origin and radiation of anthropoids, with records in North Africa and Asia. The New World Primates, Infraorder Platyrrhini, have probably originated among these earliest anthropoids morphologically and temporally previous to the catarrhine/platyrrhine branching .
openaire   +2 more sources

Adaptive evolution of facial colour patterns in Neotropical primates [PDF]

Proceedings of the Royal Society B: Biological Sciences, 2012
The rich diversity of primate faces has interested naturalists for over a century. Researchers have long proposed that social behaviours have shaped the evolution of primate facial diversity. However, the primate face constitutes a unique structure where the diverse and potentially competing functions of communication, ecology and physiology intersect,
Sharlene E, Santana, Jessica, Lynch Alfaro, Michael E, Alfaro   +2 more
openaire   +2 more sources

Possible fruit protein effects on primate communities in madagascar and the neotropics. [PDF]

PLoS ONE, 2009
The ecological factors contributing to the evolution of tropical vertebrate communities are still poorly understood. Primate communities of the tropical Americas have fewer folivorous but more frugivorous genera than tropical regions of the Old World and
Jörg U Ganzhorn, Summer Arrigo-Nelson, Sue Boinski, An Bollen, Valentina Carrai, Abigail Derby, Giuseppe Donati, Andreas Koenig, Martin Kowalewski, Petra Lahann, Ivan Norscia, Sandra Y Polowinsky, Christoph Schwitzer, Pablo R Stevenson, Mauricio G Talebi, Chia Tan, Erin R Vogel, Patricia C Wright   +17 more
doaj   +1 more source

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

The Anatomical Record, Volume 309, Issue 9, Page 2346-2367, September 2026.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

Patch size, functional isolation, visibility and matrix permeability influences neotropical primate occurrence within highly fragmented landscapes. [PDF]

PLoS ONE, 2015
Forest fragmentation and habitat loss are among the major current extinction causes. Remaining fragments are mostly small, isolated and showing poor quality. Being primarily arboreal, Neotropical primates are generally sensitive to fragmentation effects.
Lucas Goulart da Silva, Milton Cezar Ribeiro, Érica Hasui, Carla Aparecida da Costa, Rogério Grassetto Teixeira da Cunha   +4 more
doaj   +1 more source

From armadillos to sloths: Patterns and variations in xenarthran coronary anatomy

The Anatomical Record, Volume 309, Issue 8, Page 2199-2220, August 2026.
Abstract Species of the superorder Xenarthra play a vital ecological role in the Neotropics. Despite their evolutionary significance, anatomical studies on their coronary circulation remain scarce. This study investigated the coronary anatomy of 82 hearts from nine Xenarthra species across the Dasypodidae, Myrmecophagidae, and Bradypodidae.
Wilson Viotto‐Souza, André Luiz Quagliatto Santos, Marcelo Abidu‐Figueiredo, Thaís Aparecida Silva, Rodrigo Ananias Barreiros Silva, Paulo de Souza‐Junior   +5 more
wiley   +1 more source

Unexpected Victims: Roadkill of Primates in the Fragmented Landscape of the Middle Magdalena, Colombia

Mammalogy Notes
We report five (5) events involving platyrrhine primates found in the Ruta del Sol highway, in the landscape of the Middle Magdalena Valley, Colombia.
Julián Arango-Lozano Arango Lozano, Karime Angarita Corzo   +1 more
doaj   +1 more source

Infection by Toxoplasma gondii in Neotropical non-human primates

Pesquisa Veterinária Brasileira, 2012
Toxoplasma gondii (Nicolle et Manceaux, 1909) is an obligatory intracellular protozoan parasite of warm animals, including human and non-human primates. Domestic and wild felids are considered definitive hosts.
Juliana S. Pires, Carlos T. Ribeiro, Paulo Roberto de Carvalho Filho, Alcides Pissinatti, Walter Flausino, Carlos Wilson G. Lopes   +5 more
doaj   +1 more source

Ecology and evolution of pyrazines in insects

Biological Reviews, Volume 101, Issue 4, Page 1937-1959, August 2026.
ABSTRACT Chemical communication is the oldest and most widespread form of signalling among and within organisms. Among the many compounds involved in such communication, pyrazines – nitrogen‐containing heterocyclic molecules – are especially intriguing due to their widespread occurrence across the tree of life, from bacteria and fungi to insects and ...
Zowi Oudendijk, Niklas Wahlberg, Johanna Mappes   +2 more
wiley   +1 more source

Multifocal Oral Epithelial Hyperplasia Associated With Papillomavirus Infection in a Road Killed Brown Howler Monkey (Alouatta guariba clamitans)

Journal of Medical Primatology, Volume 55, Issue 4, August 2026.
ABSTRACT A free‐ranging road‐killed brown howler monkey (Alouatta guariba clamitans) presented multiple mucosal‐colored papules and plaques on oral mucosa. Pathological evaluation confirmed the diagnosis of epithelial hyperplasia with koilocytosis.
Sandy Lorena Pulecio‐Santos, Vivian Renata Kida, Alex Junior Souza de Souza, José Luiz Catão‐Dias, Pedro Enrique Navas Suarez, Lilian Rose Marques de Sá   +5 more
wiley   +1 more source