Results 81 to 90 of about 94,913 (300)

Bird Beak Accuracy Assessment [PDF]

, 2003
The purpose of this resource is to quantitatively evaluate the accuracy of a classification system. Students sort birds into three possible classes based on each bird's beak: carnivores, herbivores, and omnivores.
The GLOBE Program, University Corporation for Atmospheric Research (UCAR)
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Evolutionary radiation of large‐bodied gorgonopsians from the lower Abrahamskraal formation of South Africa

The Anatomical Record, EarlyView.
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo, Ricardo Araújo, Bruce S. Rubidge, Michael O. Day, Kathleen N. Dollman, Julien Benoit   +5 more
wiley   +1 more source

Integrating Values and Ethics into Wildlife Policy and Management—Lessons from North America

Animals, 2011
Few animals provoke as wide a range of emotions as wolves. Some see wolves as icons of a lost wilderness; others see them as intruders. As the battle continues between wolf proponents and opponents, finding solutions that resolve conflicts while ...
Camilla H. Fox, Marc Bekoff
doaj   +1 more source

Assessing the umbrella value of a range-wide conservation network for Jaguars (Panthera onca) [PDF]

, 2016
Umbrella species are employed as conservation short-cuts for the design of reserves or reserve networks. However, empirical data on the effectiveness of umbrellas is equivocal, which has prevented more widespread application of this conservation strategy.
Adriaensen, Alan Rabinowitz, Andelman, Angelo, Beier, Beier, Bifolchi, Branton, Branton, Brodie, Brodie, Brooks, Carlo Rondinini, Caro, Caro, Carroll, Carroll, Che-Castaldo, Christopher Burdett, Crooks, Crooks, Cushman, Daniel Thornton, Epps, Fleishman, Fleishman, Gardner, Groves, Heller, Howard Quigley, Hughes, Hurme, Kathy Zeller, Kevin Crooks, Lindenmayer, Luigi Boitani, Mac Nally, Minor, Noss, Oliver, Petracca, Pressey, Pöyry, Rabinowitz, Rabinowitz, Roberge, Robles, Rondinini, Rondinini, Rondinini, Saetersdal, Sanderson, Sattler, Schooley, Sergio, Sergio, Simberloff, Thorne, Tobler, Torres, Wiens, Zeller, Zeller   +62 more
core   +1 more source

Graman Revisited Once Again: A Reanalysis of the Late Holocene Legacy Faunal Assemblage From GB4 Rockshelter, New South Wales

Archaeology in Oceania, EarlyView.
ABSTRACT The archaeological site Graman B4 provided one of the first records of substantial dietary change in ancient Australian Aboriginal society. Initial examination of the faunal remains from this site suggested that Late Holocene hunters reduced their focus on high‐ranked kangaroos to increasingly rely on arboreal possums; and that these ...
Loukas George Koungoulos, Jane Balme, Sue O'Connor   +2 more
wiley   +1 more source

How People Should Respond When Encountering a Large Carnivore: Opinions of Wildlife Professionals

Human-Wildlife Interactions, 2017
We conducted telephone surveys of wildlife professionals who work with large carnivores to ask their opinions about how people should respond to avoid being injured when confronted by a black bear (Ursus americana), grizzly bear (Ursus arctos), mountain ...
Dylan E. Brown, Michael R. Conover
doaj   +1 more source

Valuation of Large Carnivores and Regulated Carnivore Hunting

Journal of Forest Economics, 2020
Large carnivores are keystone species but represent economic costs to hunters. In Sweden, carnivore territories generally overlap with hunting areas, and as a result, conflicts occur because of the competition for prey. The wolf, lynx, and brown bear are protected species by law but are hunted when authorities allocate license hunting quotas.
Lozano Galindez, Julian Eduardo, Elofsson, Katarina, Persson, Jens, Kjellander, Petter   +3 more
openaire   +4 more sources

Comparative Meta‐Analysis of Antimicrobial Peptides in Aquatic and Terrestrial Livestock Species

Animal Research and One Health, EarlyView.
A global meta‐analysis of 58 studies (926 effect sizes and 29 species across five taxa) revealed that dietary antimicrobial peptides generally improve growth performance, blood metabolites, and immune responses. The greatest benefits were observed in omnivorous livestock, such as pigs and chickens. Dose‐duration effects were evident. An optimal outcome
Lily Liu, Xu Luo, Qin Zhang, Jinhai Wang, Alan E. Wilson   +4 more
wiley   +1 more source

Tributaries of the portal vein of the domestic cat

RUDN Journal of Agronomy and Animal Industries
The portal vein is alarge venous collector that collects venous blood from the organs of the gastrointestinal tract located in the abdominal cavity, with the exception of the caudal part of the rectum.
Darya S. Bylinskaya, Mikhail V. Shchipakin   +1 more
doaj   +1 more source

Early Pleistocene hominins in europe: the sites of Barranco León and Fuente Nueva-3 (Orce, Spain) [PDF]

, 2016
The Early Pleistocene (Late Villafranchian) sites of Orce, placed in the northeastern sector of the Guadix-Baza Basin (Granada, southeastern Spain), are key to the study of the first human settlements in the European subcontinent.
Espigares, María Patrocinio, Jiménez-Arenas, Juan Manuel, Martinez-Navarro, Bienvenido, Menéndez, Leticia, Palmqvist, Paul, Ros-Montoya, Sergio, Sala, Robert   +6 more
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