Results 71 to 80 of about 3,218 (200)

Micromamíferos del sitio Arroyo Seco 2 (provincia de Buenos Aires, Argentina). Sus implicaciones tafonómicas y paleoambientales

Estudios Geologicos, 1999
La secuencia del Pleistoceno tardío-Holoceno temprano en Arroyo Seco 2 es una de las más completas del registro de la Región Pampeana. Se distinguen cuatro unidades estratigráficas, tres de ellas contienen abundantes restos de pequeños mamíferos fósiles.
G. Gómez, J. L. Prado, M. T. Alberdi
doaj   +1 more source

Effects of Landscape Characteristics on Abundance of Giant Anteaters in Intensively Farmed Areas

Biotropica, Volume 57, Issue 6, November 2025.
In this study, we analyzed the abundance of giant anteaters in 55 landscapes within a 34,000 km2 region that has undergone significant transformation due to intensive agricultural practices, particularly the cultivation of sugarcane. In each landscape, we used three camera traps to record the presence of this species. Our occupancy models revealed that
Samia C. dos Reis, Larissa L. Bailey, Adriano G. Chiarello   +2 more
wiley   +1 more source

Nuevos registros de Calyptophractus retusus (Cingulata: Chlamyphoridae) en Bolivia

Xenarthra
En los últimos años las observaciones del coseverú (Calyptophractus retusus) en Bolivia han ido en aumento. En esta nota se presentan nueve reportes provenientes principalmente de llamadas por parte de la población ante la presencia de la especie en la ...
Sebastián Gutiérrez-Cruz, Luis A. Galvez, Romer S. Miserendino Salazar, Eliamne K. Gutiérrez-Ojeda   +3 more
doaj   +1 more source

Craniogenetic studies in Sus scrofa: With emphasis on the ‘orbitosphenoid’ problem

The Anatomical Record, Volume 308, Issue 7, Page 1931-1943, July 2025.
Abstract The orbitosphenoid is a skeletal element of the endocranium of extant mammals. However, it has also been described in many of their fossil ancestors. Craniogenetic studies show that it is composed of two types of bone: first, the cartilaginous ala orbitalis and parts of the trabecular plate are transformed by endochondral ossification; second,
Wolfgang Maier, Ulla Lächele, Irina Ruf
wiley   +1 more source

Bilateral pre-axial polydactyly in a wild juvenile Hoffmann’s two-toed sloth (Choloepus hoffmanni)

Xenarthra
Polydactyly is a relatively common congenital condition in humans, also described in some other species of animals, where more digits than usual are present in the hands or feet. The literature about congenital anomalies in sloths is sparse.
Sara Goñi Martinez, Ambre Thiriet, Sofia Astorga Alvarado, Marta Venegas   +3 more
doaj   +1 more source

Molecular sexing of Xenarthra: A tool for genetic and ecological studies

Conservation Genetics Resources, 2020
Although sex assignment is essential to study biology and ecology of a given animal, in Xenarthra there is still no standardized assay for gender genetic identification. Here, we evaluate the potential of two nuclear fragments [SRY (~180pb) and Zinc finger (~400pb) genes] for sex identification of specimens who have lost their morphological ...
Carmen Elena Barragán-Ruiz, Eliana Paviotti-Fischer, Karen Giselle Rodríguez-Castro, Arnaud L. J. Desbiez, Pedro Manoel Galetti   +4 more
openaire   +1 more source

Genetic diversity of mammalian trypanosomatids from Magnorder Xenarthra in the Amazonian biome.

, 2017
As espécies de mamíferos da Magnaordem Xenarthra podem apresentar infecção por diversas espécies de parasitas da Família Trypanosomatidae, incluindo representantes dos gêneros Trypanosoma, Endotrypanum e Leishmania.
Vultão, Juliana Gaboardi
core   +1 more source

New Pleistocene remains of megalonychid ground sloths (Xenarthra: Pilosa) from the intertropical Brazilian region [PDF]

, 2016
The Pleistocene fossil sloth Australonyx aquae De Iuliis, Cartelle, and Pujos, 2009 (Mammalia, Xenarthra, Megalonychidae) was described from the intertropical region of Brazil.
De Iuliis, Gerardo, Pujos, François Roger Francis, Cartelle, Cástor   +2 more
core   +1 more source

Risk posed by the HPAI virus H5N1, Eurasian lineage goose/Guangdong clade 2.3.4.4b. genotype B3.13, currently circulating in the US

EFSA Journal, Volume 23, Issue 7, July 2025.
Abstract The emergence of highly pathogenic avian influenza (HPAI) A(H5N1), clade 2.3.4.4b, genotype B3.13 in U.S. dairy cattle marks a significant shift in the virus' host range and epidemiological profile. Infected cattle typically exhibit mild clinical signs, such as reduced milk production, mastitis and fever, with morbidity generally below 20% and
European Food Safety Authority (EFSA), Julio Alvarez, Alessio Bortolami, Mariette Ducatez, Claire Guinat, Jan Arend Stegeman, Alessandro Broglia, Helene Jensen, Kamela Kryemadhi, Andrea Gervelmeyer   +9 more
wiley   +1 more source

Three‐Dimensional Limb Kinematics in Brown‐Throated Three‐Toed Sloths (Bradypus variegatus) During Suspensory Quadrupedal Locomotion

Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, Volume 343, Issue 5, Page 564-577, June 2025.
ABSTRACT Suspensory locomotion differs significantly from upright quadrupedal locomotion in mammals. Nevertheless, we know little concerning joint kinematics of suspensory movement. Here, we report three‐dimensional kinematic data during locomotion in brown‐throated three‐toed sloths (Bradypus variegatus). Individuals were recorded with four calibrated
Angela M. Mossor, Andrew J. McKamy, Melody W. Young, Andrew J. Rochté, Judy A. Avey‐Arroyo, John A. Nyakatura, Michael C. Granatosky, Michael T. Butcher, Jesse W. Young   +8 more
wiley   +1 more source