Results 81 to 90 of about 3,849 (210)

Free amino acid and acylcarnitine values in Ursus americanus Pallas 1780 (black bear) from Northeastern Mexico. [PDF]

PLoS One, 2023
Abellan-Borja A, Rodriguez-Sanchez IP, Carrera-Treviño R, Villanueva-Segura OK, Zapata-Morin PA, Martinez-de-Villareal LE, Barboza-Aranda LJ, Gomez-Govea MA, Martinez-Fierro ML, Delgado-Enciso I, Ruiz-Ayma G, Gonzalez-Rojas JI, Guzman-Velasco A.   +12 more
europepmc   +1 more source

Draft Genome Sequences of 158 Listeria monocytogenes Strains Isolated from Black Bears (Ursus americanus) in the United States. [PDF]

Microbiol Resour Announc, 2023
Brown P, Chen Y, Ivanova M, Leekitcharoenphon P, Parsons C, Niedermeyer J, Gould N, Strules J, Mesa-Cruz JB, Kelly MJ, Hooker MJ, Chamberlain MJ, Olfenbuttel C, DePerno C, Elhanafi D, Kathariou S.   +15 more
europepmc   +1 more source

Tetracycline resistance in Listeria monocytogenes and L. innocua from wild black bears (Ursus americanus) in the United States is mediated by novel transposable elements. [PDF]

Appl Environ Microbiol, 2023
Brown P, Hernandez K, Parsons C, Chen Y, Gould N, DePerno CS, Niedermeyer J, Kathariou S.   +7 more
europepmc   +1 more source

Primer Registro de Oso Negro Ursus americanus (Carnivora: Ursidae) en un Bosque Tropical Subperennifolio en la Reserva de la Biosfera “El Cielo”, Tamaulipas, México

, 2015
Resumen. Introduccion: En Mexico, el oso negro ( Ursus americanus ) es el carnivoro de mayor tamano y la unica especie de la familia ursidae aun presente en la actualidad en el pais.
I. Torres, R. Treviño, L. F. García
semanticscholar   +1 more source

Pleistocene-Holocene vicariance, not Anthropocene landscape change, explains the genetic structure of American black bear (Ursus americanus) populations in the American Southwest and northern Mexico. [PDF]

Ecol Evol, 2022
Gould MJ, Cain JW, Atwood TC, Harding LE, Johnson HE, Onorato DP, Winslow FS, Roemer GW.   +7 more
europepmc   +1 more source

Establishment of terrestrial mammals on former reservoir beds following large dam removal on the Elwha River, Washington, USA

Frontiers in Ecology and Evolution
Terrestrial wildlife species are important yet often overlooked taxa in the recovery of ecosystems following dam removal. Their presence can shape ecosystem recovery, signal restoration of ecosystem function, and influence food web dynamics and nutrient ...
Rebecca M. McCaffery, Sara J. Cendejas-Zarelli, Katy R. Goodwin, Patricia J. Happe, Kurt J. Jenkins, Kimberly A. Sager-Fradkin   +5 more
doaj   +1 more source

Presence of trailers reduces culvert‐style trap success in American black bears (Ursus americanus)

Wildlife Society Bulletin
Live capture is an important tool for wildlife research, conservation, and management as it allows for insight into movement, behavior, demographics, diet, and health of wildlife populations.
Rebecca A. Paton, Paul F. Frame, Scott E. Nielsen, Erin N. Miller, Mark A. Edwards   +4 more
doaj   +1 more source

Vocal and Non-Vocal Communication of American Black Bears (Ursus americanus): Implications for Conservation

Conservation
To establish the best approach for conserving a species, it is necessary to understand the biology of that species. To better understand the behavior of American black bears (Ursus americanus), we observed 246 black bears for 7950 h in nature over a 24 ...
Benjamin Kilham, James R. Spotila, Andrew A. Timmins   +2 more
doaj   +1 more source

A Postmortem Finding of a Colloid Goiter in an American Black Bear (Ursus Americanus)

Acta Veterinaria
The present case report aims to describe a postmortem finding of a colloid goiter, without obvious clinical signs of endocrine disease in a 30-year-old American black bear (Ursus americanus) from the “Zoo” in the city of Sofia, Bulgaria.
Popov Georgi Stoychev, Ruzhanova-Gospodinova Iliana Stefanova, Aminkov Konstantin Bogdanov, Georgiev Georgi Ivanov, Manov Vasil Kostadinov   +4 more
doaj   +1 more source

寻仓觅熊

野生动物学报, 1988
美洲黑熊（Ursus americanus）隶属食肉目,熊科,棕熊属。主要分布于北美大陆北部。每到冬季来临,黑熊便在其领域内选择适合的地点进行冬眠。这些地点一般是选择在空心树洞中,掘挖地面洞,有时甚至在象排水沟以及遗弃的建筑物这样的建筑中。在调查的65个洞穴中,有47个（72％）是熊掘挖的地面洞。这些洞是在树或残树干根部及灌木丛中,倒树下 ...
贺力, 徐利
doaj