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Articles 1 - 8 of 8
Full-Text Articles in Animal Sciences
A Scientometric Appreciation Of Robert J. Baker's Contributions To Science And Mammalogy, David J. Schmidly, Robert D. Bradley, Emma K. Roberts, Lisa C. Bradley, Hugh H. Genoways
A Scientometric Appreciation Of Robert J. Baker's Contributions To Science And Mammalogy, David J. Schmidly, Robert D. Bradley, Emma K. Roberts, Lisa C. Bradley, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
This article describes Robert James Baker’s academic pedigree and genealogy, his scientific productivity (number of publications), his citations, his students, his contributions to his university and scientific societies, his personality in relation to his scientific achievements, his legacy, and a personal note of appreciation by individuals who worked with him and knew him well. His accomplishments are compared with other dominant personalities in the field of mammalogy, both historical and contemporary. The paper builds on the 2018 obituary authored by Hugh Genoways and others that was published in the Journal of Mammalogy, but includes a much more quantitative and …
Intelligence, Complexity, And Individuality In Sheep, Lori Marino, Debra Merskin
Intelligence, Complexity, And Individuality In Sheep, Lori Marino, Debra Merskin
Lori Marino, PhD
Domestic sheep (Ovis aries) are among the earliest animals domesticated for human use. They are consumed worldwide as mutton, hogget, and lamb, kept as wool and milk producers, and used extensively in scientific research. The popular stereotype is that sheep are docile, passive, unintelligent, and timid, but a review of the research on their behavior, affect, cognition, and personality reveals that they are complex, individualistic, and social.
Laterality Strength Is Linked To Stress Reactivity In Port Jackson Sharks (Heterodontus Portusjacksoni), Evan E. Byrnes, Catarina Vila Pouca, Culum Brown
Laterality Strength Is Linked To Stress Reactivity In Port Jackson Sharks (Heterodontus Portusjacksoni), Evan E. Byrnes, Catarina Vila Pouca, Culum Brown
Culum Brown, PhD
Cerebral lateralization is an evolutionarily deep-rooted trait, ubiquitous among the vertebrates and present even in some invertebrates. Despite the advantages of cerebral lateralization in enhancing cognition and facilitating greater social cohesion, large within population laterality variation exists in many animal species. It is proposed that this variation is maintained due links with inter-individual personality trait differences. Here we explored for lateralization in Port Jackson sharks (Heterodontus portusjacksoni) using T-maze turn and rotational swimming tasks. Additionally, we explored for a link between personality traits, boldness and stress reactivity, and cerebral lateralization. Sharks demonstrated large individual and sex biased laterality …
Stress Profile Influences Learning Approach In A Marine Fish, Vincent Raoult, Larissa Trompf, Jane E. Williamson, Culum Brown
Stress Profile Influences Learning Approach In A Marine Fish, Vincent Raoult, Larissa Trompf, Jane E. Williamson, Culum Brown
Culum Brown, PhD
The spatial learning skills of high and low stress juvenile mulloway (Argyrosomus japonicus) were tested in a dichotomous choice apparatus. Groups of fish were formed based on background blood cortisol levels and required to learn the location of a food reward hidden in one of two compartments. Low stress fish characterised by low background levels of the stress hormone cortisol had higher activity levels and entered both rewarded and unrewarded rooms frequently. Within the first week of exposure, however, their preference for the rewarded room increased, indicative of learning. Fish that had high background levels of cortisol, in …
Elevated Sensitivity To Tactile Stimuli In Stereotypic Horses, Sabrina Briefer Freymond, Déborah Bardou, Sandrine Beuret, Iris Bachmann, Klaus Zuberbühler, Elodie Briefer
Elevated Sensitivity To Tactile Stimuli In Stereotypic Horses, Sabrina Briefer Freymond, Déborah Bardou, Sandrine Beuret, Iris Bachmann, Klaus Zuberbühler, Elodie Briefer
Elodie Briefer, PhD
Although stereotypic behaviors are a common problem in captive animals, why certain individuals are more prone to develop them remains elusive. In horses, individuals show considerable differences in how they perceive and react to external events, suggesting that this may partially account for the emergence of stereotypies in this species. In this study, we focused on crib-biting, the most common stereotypy displayed by horses. We compared how established crib-biters (“CB” = 19) and normal controls (“C” = 18) differed in response to a standard “personality” assessment test battery, i.e., reactivity to humans, tactile sensitivity, social reactivity, locomotor activity, and curiosity …
Intelligence, Complexity, And Individuality In Sheep, Lori Marino, Debra Merskin
Intelligence, Complexity, And Individuality In Sheep, Lori Marino, Debra Merskin
Animal Sentience
Domestic sheep (Ovis aries) are among the earliest animals domesticated for human use. They are consumed worldwide as mutton, hogget, and lamb, kept as wool and milk producers, and used extensively in scientific research. The popular stereotype is that sheep are docile, passive, unintelligent, and timid, but a review of the research on their behavior, affect, cognition, and personality reveals that they are complex, individualistic, and social.
Elevated Sensitivity To Tactile Stimuli In Stereotypic Horses, Sabrina Briefer Freymond, Déborah Bardou, Sandrine Beuret, Iris Bachmann, Klaus Zuberbühler, Elodie Briefer
Elevated Sensitivity To Tactile Stimuli In Stereotypic Horses, Sabrina Briefer Freymond, Déborah Bardou, Sandrine Beuret, Iris Bachmann, Klaus Zuberbühler, Elodie Briefer
Personality Collection
Although stereotypic behaviors are a common problem in captive animals, why certain individuals are more prone to develop them remains elusive. In horses, individuals show considerable differences in how they perceive and react to external events, suggesting that this may partially account for the emergence of stereotypies in this species. In this study, we focused on crib-biting, the most common stereotypy displayed by horses. We compared how established crib-biters (“CB” = 19) and normal controls (“C” = 18) differed in response to a standard “personality” assessment test battery, i.e., reactivity to humans, tactile sensitivity, social reactivity, locomotor activity, and curiosity …
Casting A Sheep’S Eye On Science, David M. Peña-Guzmán
Casting A Sheep’S Eye On Science, David M. Peña-Guzmán
Animal Sentience
Marino & Merskin review evidence that sheep are not just passive and reactive creatures. They have personalities that vary from individual to individual and endure over time. It follows that we must rethink what it means to study them scientifically.