Results 21 to 30 of about 8,511 (214)
Se presenta la descripción de un I3 asignado a Arctotherium sp. proveniente del sitio Baño Nuevo-1 (Patagonia Central, Chile). El hallazgo fue realizado en la Capa 5 y está asociado a restos de Macrauchenia sp., Lama guanicoe, Felidae, Camelidae, Equidae
P. López Mendoza +2 more
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Among the fossil members of the giant panda subfamily of ursid carnivorans, Ailuropodinae, one group of species is of giant size, those of Indarctos. Indarctos species have some dental resemblances to and may be closely related to Agriotherium, although ...
Q. Jiangzuo +4 more
semanticscholar +1 more source
Sequencing and assembling bear genomes: the bare necessities
Unique genetic adaptations are present in bears of every species across the world. From (nearly) shutting down important organs during hibernation to preventing harm from lifestyles that could easily cause metabolic diseases in humans, bears may hold the
Courtney Willey, Ron Korstanje
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Published as part of Gagnaison, Cyril, Mennecart, Bastien, Bailleul, Julien, Barrier, Pascal, Chenot, Élise, Toullec, Renaud, Potel, Sébastien, Martin, Honoré, Millet, Antoine & Memeteau, Didier, 2023, Nouvelles données géologiques et biostratigraphiques du gisement paléontologique à vertébrés de Mauvières, à Marcilly-sur-Maulne (Miocène inférieur et ...
Gagnaison, Cyril +9 more
openaire +1 more source
El género Adelpharctos era solo conocido por una especie A. mirus representada por una única mandibular (p2-m2) procedente de las colecciones antiguas del Quercy, cuya edad geológica es desconocida.
L. de Bonis
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Sertoli Cell Tumor (SCT) in a Captive Black Bear (Ursus americanus)
A black bear of 29-year-old (Ursus americanus) died unexpectedly in captivity without any gross lesions or clinical signs. We identified a firm, lobulated, yellowish tan, and well-circumscribed mass embedded inside the testicular tissue at the time of ...
Ahmed K. Elfadl +14 more
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Trapping bears (Ursidae) with Aldrich leg snares has established itself as one of the most successful methods of trapping live animals with minimal injury.
Vladimir R. Todorov, Angel Dyugmedzhiev
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Phylogenetic analyses of nuclear and mitochondrial genomes indicate that polar bears captured the brown bear mitochondrial genome 160,000 years ago, leading to an extinction of the original polar bear mitochondrial genome.
Fritjof Lammers +4 more
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The Andean bear or spectacled bear, Tremarctos ornatus (Cuvier), inhabits the Andes and is considered an endangered species due to anthropogenic factors.
S. Enríquez +4 more
semanticscholar +1 more source
Background Despite the small number of ursid species, bear phylogeny has long been a focus of study due to their conservation value, as all bear genera have been classified as endangered at either the species or subspecies level.
Ryder Oliver A +3 more
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