Results 11 to 20 of about 3,892 (125)

Kretzoiarctos gen. nov., the Oldest Member of the Giant Panda Clade [PDF]

, 2012
The phylogenetic position of the giant panda, Ailuropoda melanoleuca (Carnivora: Ursidae: Ailuropodinae), has been one of the most hotly debated topics by mammalian biologists and paleontologists during the last century.
Alberto Valenciano, B Figueirido, B Figueirido, B Ménouret, C Jin, Cheyenn Rotgers, David M. Alba, DD Davis, DM Alba, DM Alba, DM Alba, E Thenius, G Qi, GD Koufos, GF Baryshnikov, H Tobien, I Agnarsson, I Casanovas-Vilar, J Abella, J Chorn, J Krause, J Viret, J Viret, Jorge Morales, Josep M. Robles, Juan Abella, L Ginsburg, M Kretzoi, M Pagès, MA Álvarez-Sierra, ORP Bininda-Emonds, P Mein, P Montoya, Patrick O’Grady, Plinio Montoya, Raül Carmona, S Fraile, S Moyà-Solà, TL Fulton, WG Nash, WP Huang, Z Qiu   +41 more
core   +15 more sources

Evidence of strong stabilizing effects on the evolution of boreoeutherian (Mammalia) dental proportions. [PDF]

, 2019
The dentition is an extremely important organ in mammals with variation in timing and sequence of eruption, crown morphology, and tooth size enabling a range of behavioral, dietary, and functional adaptations across the class.
Archibald J. D., Archibald J. D., Bergqvist L. P., Butler P. M., Chaffee R. G., Clark J., Clemens W. A., Cuvier G., Evans A. R., Fortelius M., Gingerich P. D., Harmon L., Janis C. M., Janis C. M., Kay R. F., Kurtén B., Lucas P. W., Lucas P. W., Monson T. A., Nowak R. N., Orme D., Qiu Z. X., R Core Team, Revelle W., Tomiya S., Ungar P. S., Ungar P. S.   +26 more
core   +6 more sources

Presencia de Arctotherium (Carnivora, Ursidae, Tremarctinae) en un nivel pre-cultural de cueva Baño Nuevo-1 (Patagonia Central, Chile)

Estudios Geologicos, 2015
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, F. Mena Larraín, E. Bostelmann   +2 more
doaj   +1 more source

Sequencing and assembling bear genomes: the bare necessities

Frontiers in Zoology, 2022
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
doaj   +1 more source

Prolonged transition time between colostrum and mature milk in a bear, the giant panda, Ailuropoda melanoleuca [PDF]

, 2015
Bears produce the most altricial neonates of any placental mammal. We hypothesized that the transition from colostrum to mature milk in bears reflects a temporal and biochemical adaptation for altricial development and immune protection.
Burchmore, Richard J. S., Griffiths, Kate, Hou, Rong, Kennedy, Malcolm W., Loeffler, I. Kati, Wang, Hairui, Watson, David G., Zhang, Liang, Zhang, Tong, Zhang, Zhihe   +9 more
core   +1 more source

Una nueva especie de Adelpharctos (Mammalia, Carnivora, Ursidae) del Oligoceno Superior de las “Fosforitas de Quercy” (Francia)

Estudios Geologicos, 2011
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
doaj   +1 more source

Biomechanical evolution of solid bones in large animals: a microanatomical investigation [PDF]

, 2016
International ...
Alexander, Alexandra Houssaye, Amson, Andrew H. Lee, Antoine, Bibi, Blomberg, Buffrénil, Campione, Canoville, Carrano, Carrano, Christiansen, Clementz, Cornette, Cubo, Doube, Doube, Dumont, Evin, Fish, Garland, Garland, Gheerbrant, Gilbert, Girondot, Gray, Gregory, Hayashi, Hildebrand, Hokkanen, Houssaye, Houssaye, Houssaye, Houssaye, Houssaye, Houssaye, Houssaye, John R. Hutchinson, Katja Waskow, Klein, Laurin, Meredith, Nakajima, O'Neill, Oxnard, Oxnard, Polly, Prothero, Quemeneur, R Core Team, Ramsay, Raphaël Cornette, Remes, Ren, Ren, Ripley, Ross, Ruff, Sander, Schalkwyk, Schmidt-Nielsen, Sereno, Shoji Hayashi, Steiner, Straehl, Thompson, Todd, Venables, Vizcaino, Wall, Warner, Waskow   +72 more
core   +1 more source

Sertoli Cell Tumor (SCT) in a Captive Black Bear (Ursus americanus)

Veterinary Sciences, 2019
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, SunYoung Park, H M Arif Ullah, Soong-Hee Youn, Myung-Jin Chung, Ji-Yoon Son, Jae-Yeong Lee, Seoung-Woo Lee, A-Rang Lee, Su-Min Baek, Sul-Gi Jeon, Eun-Joo Lee, Il-Hwa Hong, Jin-Kyu Park, Kyu-Shik Jeong   +14 more
doaj   +1 more source

Tracing the origin of the panda's thumb [PDF]

, 2015
© 2015, Springer-Verlag Berlin Heidelberg. We investigate the relative development of the carnivoran radial sesamoids to untangle the evolution of this iconic structure.
Abella, Juan, Pérez-Ramos, Alejandro, Valenciano, Alberto, Alba, David M., Ercoli, Marcos D., Hontecillas, Daniel, Montoya, Plinio, Morales, Jorge   +7 more
core   +2 more sources

First described case of self-inflicted injury in a brown bear (Ursus arctos Linnaeus, 1758) following capture with an Aldrich snare

Historia Naturalis Bulgarica, 2023
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
doaj   +1 more source