Results 101 to 110 of about 6,899 (231)

Isabelline coloration: a heretofore unrecognized chromatic aberration in bighorn sheep

open access: yesCalifornia Fish and Wildlife Journal
Coloration is among the characteristics noted first by observers, and color has a strong influence on how animals are perceived. Abnormal coloration has been reported in a variety of taxa, but less frequently among mammals than other classes of ...
Vernon C. Bleich
doaj   +1 more source

Testes size, testosterone production and reproductive behaviour in a natural mammalian mating system [PDF]

open access: yes, 2012
1. Testosterone (T) is a key mediator in the expression of numerous morphological and behavioural traits in mammals, but the factors underlying individual variation in circulating T levels are poorly understood. 2.
Lincoln, Gerald A.   +5 more
core  

An Evaluation of the Bighorn Sheep Population in Badlands National Park [PDF]

open access: yes, 2021
Within the last century, bighorn sheep (Ovis canadensis) in the badlands ecosystem of western South Dakota have been subjected to complete extirpation, reintroduction, disease die-offs, genetic bottlenecking, and population augmentation.
Wieseler, Austin J.
core   +1 more source

Gene Transcript Profiling in Desert Bighorn Sheep

open access: yesWildlife Society Bulletin, 2020
Respiratory disease is a key factor affecting the conservation and recovery of bighorn sheep (Ovis canadensis) populations. Innovative, minimally invasive tools such as gene transcription–based diagnostics have the potential to improve our understanding ...
Lizabeth Bowen   +7 more
doaj   +1 more source

Species Identification of the Stylohyoid Bone for North American Artiodactyls [PDF]

open access: yes, 2016
Zooarchaeologists cannot identify mammal species by their stylohyoid bones. Current trends in zooarchaeological research stress the need for rigorous and accessible identification methodology.
Hale, Thomas A.
core   +1 more source

Disproportionate regulation of wildlife trade [PDF]

open access: yes
An increasing number of countries in the Global North have enacted, or are considering, import bans on hunting trophies to protect wildlife. We interrogate arguments used to characterize trophy hunting using data from the Convention on International ...
't Sas-Rolfes, Michael   +9 more
core   +2 more sources

Using transcriptomics to predict and visualize disease status in bighorn sheep (Ovis canadensis). [PDF]

open access: yesConserv Physiol, 2022
Bowen L   +5 more
europepmc   +1 more source

Es descobreix un patró d'ossificació comú en els ungulats [PDF]

open access: yes, 2011
Tots els vertebrats tenim un esquelet ossi. Però la formació dels ossos varia entre individus i entre espècies. Investigadors de la UAB han trobat un patró d'ossificació en els Ungulats, nom genèric de qualsevol mamífer les extremitats del qual acaben en
Gállego, Luís   +3 more
core   +1 more source

Management of Psoroptes in Free Ranging Bighorn Sheep [PDF]

open access: yes, 2020
The overall objective of this thesis is to address gaps in knowledge and provide tools that will aid in the management of the psoroptic mange outbreak in bighorn sheep (Ovis canadensis) of the Okanagan region of Canada. A multi-pronged approach was taken
Hering, Adam Marc
core  

APROVECHAMIENTO DEL BORREGO CIMARRÓN (Ovis canadensis mexicana) EN UNIDADES DE MANEJO DEL NORESTE DE MÉXICO

open access: yesEcosistemas y Recursos Agropecuarios, 2015
Se evaluó la sustentabilidad ecológica de la cacería selectiva del borrego cimarrón (Ovis canadienses mexicana) en las Unidades de Manejo para la Conservación de la Vida Silvestre (UMA) del estado de Sonora, México; considerando como variable el puntaje
Alexis Huerta-García   +3 more
doaj   +1 more source

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