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Articles 31 - 60 of 3243
Full-Text Articles in Life Sciences
Raising Consciousness About Chicken Consciousness, Bernard Rollin
Raising Consciousness About Chicken Consciousness, Bernard Rollin
Bernard Rollin, PhD
The topics explored by Marino are definitive, and should work well to lay to rest forever the widespread belief that chickens have no personality, are unintelligent, or in any other way lack a mental life.
Far More To Sheep Than Meets The Casual Eye, Bernard Rollin
Far More To Sheep Than Meets The Casual Eye, Bernard Rollin
Bernard Rollin, PhD
Marino & Merskin’s survey of the cognitive and social capacities of sheep is an eye-opener about the individuality and emotionality of this most maligned of all farm animals. My own eyes had already been opened by an adopted orphaned lamb, so much more like a dog as a companion animal than the mindless robot I had been conditioned to expect. I am morally certain that Marino & Merskin’s survey will have a similar effect on readers open to changing their minds.
Raising The Moral Consciousness Of Science, Bernard Rollin
Raising The Moral Consciousness Of Science, Bernard Rollin
Bernard Rollin, PhD
Precaution on behalf of sentient animals should not be tempered by the questionable principle of the amorality of science.
Unity Of Consciousness In Animals, Bernard E. Rollin
Unity Of Consciousness In Animals, Bernard E. Rollin
Bernard Rollin, PhD
Both Descartes the rationalist and Hume the empiricist, polar opposites philosophically, denied the unity and continuity of animal mind. Kant pointed out that the presence of retrievable memories entails unity of consciousness. Rowlands now argues that animals too have unity of consciousness.
Human Superiority?, Bernard Rollin
Human Superiority?, Bernard Rollin
Bernard Rollin, PhD
Like Charles Darwin and George Romanes, I am quite willing to use anecdotal information as a source of knowledge about animal behavior. There are many more people observing nonhuman animals than there are people conducting controlled experiments, and we can thereby learn that behaviors we think are unique to humans are shared by other animals. From a strictly biological point of view, it makes no sense to speak of “human superiority.” One species of animal can be superior to another only in terms of survival and niche occupation. As moral concern for animals increases across the world, claims of human …
Differential Activation Of Frontoparietal Attention Networks By Social And Symbolic Spatial Cues, Andrew D. Engell, Lauri Nummenmaa, Nikolaas N. Oosterhof, Richard N. Henson, James V. Haxby, Andrew J. Calder
Differential Activation Of Frontoparietal Attention Networks By Social And Symbolic Spatial Cues, Andrew D. Engell, Lauri Nummenmaa, Nikolaas N. Oosterhof, Richard N. Henson, James V. Haxby, Andrew J. Calder
Andrew D. Engell
Perception of both gaze-direction and symbolic directional cues (e.g. arrows) orient an observer’s attention toward the indicated location. It is unclear, however, whether these similar behavioral effects are examples of the same attentional phenomenon and, therefore, subserved by the same neural substrate. It has been proposed that gaze, given its evolutionary significance, constitutes a ‘special’ category of spatial cue. As such, it is predicted that the neural systems supporting spatial reorienting will be different for gaze than for non-biological symbols. We tested this prediction using functional magnetic resonance imaging to measure the brain’s response during target localization in which laterally …
Thinking Chickens: A Review Of Cognition, Emotion, And Behavior In The Domestic Chicken, Lori Marino
Thinking Chickens: A Review Of Cognition, Emotion, And Behavior In The Domestic Chicken, Lori Marino
Lori Marino, PhD
Domestic chickens are members of an order, Aves, which has been the focus of a revolution in our understanding of neuroanatomical, cognitive, and social complexity. At least some birds are now known to be on par with many mammals in terms of their level of intelligence, emotional sophistication, and social interaction. Yet, views of chickens have largely remained unrevised by this new evidence. In this paper, I examine the peer-reviewed scientific data on the leading edge of cognition, emotions, personality, and sociality in chickens, exploring such areas as self-awareness, cognitive bias, social learning and self-control, and comparing their abilities in …
Thinking About Thinking Chickens, Lori Marino
Thinking About Thinking Chickens, Lori Marino
Lori Marino, PhD
This response focuses on three major conceptual threads that run through the peer commentary on my target article: (1) how the use of chickens influences our views of them, (2) whether education is effective, and (3) what components of chicken psychology are most relevant to understanding who chickens are.
“I Am Not An Animal”, Lori Marino
“I Am Not An Animal”, Lori Marino
Lori Marino, PhD
The answer to Chapman & Huffman’s question — “Why do we want to think humans are different?” — lies in the work of Ernest Becker and the social psychology literature known as Terror Management Theory, according to which our deep anxiety about animality and death can drive our need to feel superior to the other animals.
Deepening Our Understanding Of Sheep, Lori Marino, Debra Merskin
Deepening Our Understanding Of Sheep, Lori Marino, Debra Merskin
Lori Marino, PhD
Our Response is centered on five major themes: (1) our presentation of human mythologies about sheep; (2) the relevance of cognitive complexity (“intelligence”) as a dimension underlying the way people perceive and treat sheep; (3) whether our review is too anthropocentric or anthropomorphic; (4) animal welfare versus animal rights (abolitionism); and (5) whether knowledge and education are enough to change human attitudes and behavior.
Octopus Minds Must Lead To Octopus Ethics, Barbara J. King, Lori Marino
Octopus Minds Must Lead To Octopus Ethics, Barbara J. King, Lori Marino
Lori Marino, PhD
Mather argues convincingly for the existence of minds in octopuses based largely on laboratory experiments. Many of these experiments are highly invasive and involve mutilation and death. Moreover, octopuses are now being hailed as a “new model” for biological research and are being enthusiastically bred in captivity, both for research and for food. We argue that the compelling evidence for mind in octopuses must be accompanied by intense scrutiny of the ethics that shape how we treat them and that the intrinsic value of their individual lives must be recognized.
The Inconvenient Truth About Thinking Chickens, Lori Marino
The Inconvenient Truth About Thinking Chickens, Lori Marino
Lori Marino, PhD
Original Abstract: Domestic chickens are members of an order, Aves, which has been the focus of a revolution in our understanding of neuroanatomical, cognitive, and social complexity. Some birds are now known to be on a par with many mammals in their intelligence, emotional sophistication, and social interaction. Yet views of chickens have largely remained unrevised in light of this new evidence. In this paper, I examine the data on cognition, emotions, personality, and sociality in chickens, exploring such areas as self-awareness, cognitive bias, social learning and self-control, and comparing their abilities with other birds and other vertebrates, particularly …
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.
Debunking Human Prejudice And Blindness, Peter J. Li
Debunking Human Prejudice And Blindness, Peter J. Li
Peter J. Li, PhD
Human prejudice and blindness to animal suffering are shocking. Despite their differences in culture, politics, and religious beliefs, humans have one thing in common. They see nonhuman animals as inferior and have since time immemorial assumed a dominant position in an asymmetrical human-animal relationship. When it comes to human-animal relations, there is no “clash of civilizations.” Human prejudice and blindness are predicated on “common sense assumptions” about the natural world and nonhuman animals in particular. Marino & Merskin’s review is part of the growing effort to debunk the assumptions that have shaped human actions so as to end the injustice …
The Precautionary Principle: A Cautionary Note, Robert C. Jones
The Precautionary Principle: A Cautionary Note, Robert C. Jones
Robert C. Jones, PhD
The precautionary principle regarding animal sentience is often used in decision-making about human actions that may cause harm to nonhuman animals. Birch (2017) develops an account of the precautionary principle requiring two pragmatic rules for its implementation. I support Birch's proposal but offer a cautionary note about relying on precautionary principles if one's ultimate goal is to emancipate animals from human domination.
Fish Sentience Denial: Muddy Moral Water, Robert C. Jones
Fish Sentience Denial: Muddy Moral Water, Robert C. Jones
Robert C. Jones, PhD
Sneddon et al. (2018) authoritatively summarize the compelling and overwhelming evidence for fish sentience, while methodically dismantling one rather emblematic research paper (Diggles et al. 2017) intended to discount solid evidence of fish sentience (Lopez-Luna et al. 2017a, 2017b, 2017c, & 2017d). I explore the larger practical moral contexts within which these debates take place and argue that denials of animal sentience are really moral canards.
The Person And The Self As Social Accomplishment, Leslie Irvine
The Person And The Self As Social Accomplishment, Leslie Irvine
Leslie Irvine, PhD
Rowlands (2016) presents a compelling argument for extending personhood to nonhuman animals. Sociological conceptions of the person also do not require that animals meet the elusive standard of self-awareness. Sociological ideas on selfhood support the claims about pre-reflective awareness and extend the requisite experiences to animals.
Animal Pain And The Social Role Of Science, Leslie Irvine
Animal Pain And The Social Role Of Science, Leslie Irvine
Leslie Irvine, PhD
Assuming that all animals are sentient would mean ending their use in most scientific research. This does not necessarily imply an unscientific or anti-scientific stance. Examining the social role of science reveals its considerable investment in preserving the status quo, including the continued use of animal subjects. From this perspective, the use of animal subjects is a custom that science could move beyond, rather than a methodological requirement that it must defend.
Wildlife Conservation, Zoos And Animal Protection: A Strategic Analysis, Andrew N. Rowan
Wildlife Conservation, Zoos And Animal Protection: A Strategic Analysis, Andrew N. Rowan
Andrew N. Rowan, DPhil
The publication consists of the proceedings of a workshop, sponsored by the Gilman Foundation, and held in April of 1994 at the White Oak Conservation Center in Florida. About thirty participants were invited from zoos, animal protection groups and academic institutions to discuss concepts such as wild, captive and tame; animal well-being in the wild and in zoos; and protecting individuals versus conserving populations. In order to maximize the time engaged in discussion, several individuals were identified to prepare target articles which were distributed to all participants before the meeting. These articles form the main chapters in this book. Other …
The State Of The Animals: 2001, Deborah J. Salem, Andrew N. Rowan
The State Of The Animals: 2001, Deborah J. Salem, Andrew N. Rowan
Andrew N. Rowan, DPhil
How has the state of animals improved in the last half century? How has it worsened? Where are gains made on behalf of animals under threat? In one landmark volume, distinguished scholars and experts examine these questions–and offer often-provocative answers–for farm animals, companion animals, laboratory animals, zoo animals, and wildlife worldwide.
The State Of The Animals Iv: 2007, Deborah J. Salem, Andrew N. Rowan
The State Of The Animals Iv: 2007, Deborah J. Salem, Andrew N. Rowan
Andrew N. Rowan, DPhil
In the fourth volume of the State of the Animals series, a stellar array of researchers, scholars, and leaders in the field explores current and emerging issues in animal protection.
The State Of The Animals Iii: 2005, Deborah J. Salem, Andrew N. Rowan
The State Of The Animals Iii: 2005, Deborah J. Salem, Andrew N. Rowan
Andrew N. Rowan, DPhil
In this third, all new, volume in the State of the Animals series, scholars and experts in animal protection examine the challenges facing companion animals, marine mammals, and nonhuman primates and review legal protection for animals here and abroad.
Outdoor Cats: An Animal Welfare And Protection Perspective, John Hadidian, Inga Gibson, Susan Hagood, Nancy Peterson, Bernard Unti, Betsy Mcfarland, Katie Lisnik, Heather Bialy, Inga Fricke, Kathleen Schatzmann, Jennifer Fearing, Pam Runquist, Andrew N. Rowan (Ed.)
Outdoor Cats: An Animal Welfare And Protection Perspective, John Hadidian, Inga Gibson, Susan Hagood, Nancy Peterson, Bernard Unti, Betsy Mcfarland, Katie Lisnik, Heather Bialy, Inga Fricke, Kathleen Schatzmann, Jennifer Fearing, Pam Runquist, Andrew N. Rowan (Ed.)
Andrew N. Rowan, DPhil
First raised as a serious conservation issue more than 100 years ago, the impact of free-roaming cats on wildlife has been a subject of debate, controversy, and conflict since then. Cats have been tied directly to the extinction of sensitive species in island environments and implicated as major threats to certain wildlife populations elsewhere. Yet the study of free-roaming cats and the problems attributed to them lags behind the standards of research typical with more traditional vertebrate “pest” species. Alternative management approaches, ranging from traditional practices such as removal and depopulation to emerging concepts such as Trap- Neuter-Return (TNR), have …
Outdoor Cats: An Animal Welfare And Protection Perspective, John Hadidian, Inga Gibson, Susan Hagood, Nancy Peterson, Bernard Unti, Betsy Mcfarland, Katie Lisnik, Heather Bialy, Inga Fricke, Kathleen Schatzmann, Jennifer Fearing, Pam Runquist, Andrew N. Rowan (Ed.)
Outdoor Cats: An Animal Welfare And Protection Perspective, John Hadidian, Inga Gibson, Susan Hagood, Nancy Peterson, Bernard Unti, Betsy Mcfarland, Katie Lisnik, Heather Bialy, Inga Fricke, Kathleen Schatzmann, Jennifer Fearing, Pam Runquist, Andrew N. Rowan (Ed.)
Bernard Unti, PhD
First raised as a serious conservation issue more than 100 years ago, the impact of free-roaming cats on wildlife has been a subject of debate, controversy, and conflict since then. Cats have been tied directly to the extinction of sensitive species in island environments and implicated as major threats to certain wildlife populations elsewhere. Yet the study of free-roaming cats and the problems attributed to them lags behind the standards of research typical with more traditional vertebrate “pest” species. Alternative management approaches, ranging from traditional practices such as removal and depopulation to emerging concepts such as Trap- Neuter-Return (TNR), have …
A Standardized G‐Banded Karyotype For The Raccoon (Procyon Lotor) Compared With The Domestic Cat, Roscoe Stanyon, Francesca Bigoni, Johannes Weinberg, John Hadidian
A Standardized G‐Banded Karyotype For The Raccoon (Procyon Lotor) Compared With The Domestic Cat, Roscoe Stanyon, Francesca Bigoni, Johannes Weinberg, John Hadidian
John Hadidian, PhD
We propose a standardized karyotype for the raccoon (Procyon lotor; 2n = 38, FN 74) and compare it with that of the domestic cat (2n = 38, FN 72). Numerous chromosomes (12) have similar and sometimes identical G-banding and 14 chromosome pairs have remained intact. Other chromosomes apparently differ by Robertsonian translocations and inversions. The conservation of these karyotypes is remarkable considering that the divergence of procyonids and felids predates 50 million years B.P. However, the common diploid number of 38 is not a primitive retention, as sometimes hypothesized. Instead, cats and raccoons converged on this chromosome number by a …
Dc Birdscape: A Program For Monitoring Neotropical Migratory Birds In Washington, Dc, John Sauer, John Hadidian, Sam Droege, Paul Handly, Carolyn Williams, Christopher Swarth, George Didden, Jane Huff
Dc Birdscape: A Program For Monitoring Neotropical Migratory Birds In Washington, Dc, John Sauer, John Hadidian, Sam Droege, Paul Handly, Carolyn Williams, Christopher Swarth, George Didden, Jane Huff
John Hadidian, PhD
Urban and suburban habitats often contain a variety of Neotropical migratory birds, but are poorly sampled by programs such as the North American Breeding Bird Survey. DC Birdscape was developed to inventory and monitor birds in Washington, DC. Birds were surveyed using a systematic sample of point counts during 1993-1995. Results indicate that species richness of Neotropical migratory birds varied among land-use categories, and that maximum species richness occurred in parkland habitats. Although DC Birdscape has provided relevant information on bird distribution and species richness, it is unclear whether the information is of sufficient management interest to support its continuation …
The Relationship Of Animal Protection Interests To Animal Damage Management: Historic Paths, Contemporary Concerns And The Uncertain Future, John Hadidian
John Hadidian, PhD
More than a decade ago Schmidt (1989) called for consideration of animal welfare to become a "firstorder" decision rule in wildlife management concerns, including animal damage control. Although there has been movement in that direction, this clearly has not yet come to pass. This paper takes a brief look at the interests we call animal damage management, animal welfare and protection, animal rights, and environmentalism in order to speculate about their shared concerns and the uncertain future before them. Since animal damage and the management of that damage cannot be abstracted from the environmental context in which they occur, this …
What Is A Humane Wildlife Control Service?, John Griffin, Lori Thiele, Pamela Lough, Janet Snyder, Maggie Brasted, John Hadidian
What Is A Humane Wildlife Control Service?, John Griffin, Lori Thiele, Pamela Lough, Janet Snyder, Maggie Brasted, John Hadidian
John Hadidian, PhD
In May 2007, The Humane Society of the United States launched a for-fee business called Humane Wildlife Servicessm to engage in wildlife control jobs in the Washington, D.C. metro area. We had several purposes in launching this service. First, we felt it necessary to offer a service to customers in our home base area that allowed them to choose a wildlife removal company that did not trap and relocate, or trap and kill, animals. Second, we wished to directly experience and test the operational and conceptual challenges associated with this sort of service. Third, we wished to develop a model …
“Nuisance” Wildlife Control Trapping: Another Perspective, Brad Gates, John Hadidian, Laura Simon
“Nuisance” Wildlife Control Trapping: Another Perspective, Brad Gates, John Hadidian, Laura Simon
John Hadidian, PhD
Urban wildlife control is a rapidly growing profession in which many practitioners apparently still come from a recreational or commercial trapping background. Perhaps for that reason, much of the “control” in resolving human-wildlife conflicts in cities and suburbs seems to revolve around the use of lethal traps to eliminate “problem” animals. Although some states allow relocation and most apparently allow for nuisance animals to be released on site, the extent to which these practices occur is little known. Further, the biological impacts of continual trapping cycles on urban wildlife populations remain little known as well. An alternative approach to trapping …
The “Nuisance” Wildlife Control Industry: Animal Welfare Concerns, John Hadidian, Laura J. Simon, Michele R. Childs
The “Nuisance” Wildlife Control Industry: Animal Welfare Concerns, John Hadidian, Laura J. Simon, Michele R. Childs
John Hadidian, PhD
The recent and rapid growth of the private “nuisance” wildlife control industry follows the unparalleled current period of urban and suburban expansion. Nuisance wildlife control businesses range from simple home-based services to sophisticated franchised businesses. The nuisance wildlife control operator may hold an advanced degree in the wildlife sciences, or simply be an entrepreneur without formal education or even background experience in wildlife. State and federal agencies may participate directly or indirectly in nuisance wildlife control, in activities ranging from dissemination of advice or information to actual participation in programs that may lead to removal of animals. Naturally, all of …