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Articles 241 - 270 of 822

Full-Text Articles in Ecology and Evolutionary Biology

Intelligence As Mental Manipulation In Humans And Nonhuman Animals, Moran Bar-Hen-Schweiger, Avishai Henik Jan 2019

Intelligence As Mental Manipulation In Humans And Nonhuman Animals, Moran Bar-Hen-Schweiger, Avishai Henik

Animal Sentience

Chapman & Huffman review and evaluate various aspects of the notion of human superiority. In this commentary we focus on intelligence and suggest a biologically based view of intelligence applicable to humans and non-human species alike. “Mental manipulation” (e.g., mental transformations, rotations, perspective-taking), an extension of object manipulation, provides a continuous, biologically based concept for studying intelligent behavior in humans and other species and challenges the notion of human superiority.

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Taking Exception To Human Exceptionalism, Carrie P. Freeman Jan 2019

Taking Exception To Human Exceptionalism, Carrie P. Freeman

Animal Sentience

Chapman & Huffman refute common claims used to justify human species distinctions, and they critique the animal cruelty that has resulted from this privileged status. I raise related questions for further study of the roots of human exceptionalism and about whether aspiring to be more like our fellow animals might be part of the solution.

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Sharing Emotions Builds Bridges Between Individuals And Between Species, Elisabetta Palagi Jan 2019

Sharing Emotions Builds Bridges Between Individuals And Between Species, Elisabetta Palagi

Animal Sentience

Many animal species express, perceive and share emotions. These abilities have been favoured by natural selection because they allow subjects to respond to various situations in an appropriate way, thus facilitating survival and increasing fitness. The same-face/same-emotion phenomenon is at the basis of sharing feelings and emotions. Recent studies show that this capacity is not unique to humans and that it plays an important role in creating cohesive societies in many different species.

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Phenotypic Similarity And Moral Consideration, S. Brian Hood, Sophia Giddens Jan 2019

Phenotypic Similarity And Moral Consideration, S. Brian Hood, Sophia Giddens

Animal Sentience

Identifying specific traits to justify according differential moral status to humans and non-human animals may be more challenging than Chapman & Huffman suggest. The reasons for this also go against their recommendation that we ought to attend to how humans and non-humans are similar. The problem lies in identifying the moral relevance of biological characteristics. There are, however, other reasons for treating non-human animals as worthy of moral consideration, such as the Precautionary Principle.

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Human Superiority Is Obvious But Does Not Justify Cruelty, Yew-Kwang Ng Jan 2019

Human Superiority Is Obvious But Does Not Justify Cruelty, Yew-Kwang Ng

Animal Sentience

Humans are obviously superior, in general, to other animals. This is also supported by evolution and Jerison’s encephalization quotient. However, superiority does not justify cruelty towards other animals. Rather, it suggests higher responsibility. Just as adults are more capable than 2-year-olds, they also have a much higher responsibility in helping others in need, including other animals.

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Anthropocentrism: Practical Remedies Needed, Helen Kopnina Jan 2019

Anthropocentrism: Practical Remedies Needed, Helen Kopnina

Animal Sentience

It is true that one of the harmful consequences of creating categories where one group is unique and superior to others is that it justifies discriminating against the inferior groups. And outright abuse of nonhuman animals is indeed morally unjustifiable. But what is to be done about it?

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Our Brains Make Us Out To Be Unique In Ways We Are Not, Matthew J. Criscione, Julian Paul Keenan Jan 2019

Our Brains Make Us Out To Be Unique In Ways We Are Not, Matthew J. Criscione, Julian Paul Keenan

Animal Sentience

Humans have long viewed themselves in a favorable light. This bias is consistent with a general pattern of self-enhancement. Neural systems in the medial prefrontal cortex underlie this way of thinking, which, even when false, may be beneficial for survival. It is hence not surprising that we often disregard contrary evidence in believing ourselves superior.

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Is Human Uniqueness Fake News?, Sean Hermanson Jan 2019

Is Human Uniqueness Fake News?, Sean Hermanson

Animal Sentience

The world and its troubles don't need unfounded denials of human uniqueness.

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“I Am Not An Animal”, Lori Marino Jan 2019

“I Am Not An Animal”, Lori Marino

Animal Sentience

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.

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Across The Great Divide, Debra Merskin Jan 2019

Across The Great Divide, Debra Merskin

Animal Sentience

Chapman & Huffman’s target article calls for a reevaluation of claims of human uniqueness and superiority. It also adds to the literature on how species differences, as Darwin noted, are more of degree than kind. The threats to environmental health and species survival are a consequence of excluding nonhuman animals from moral concern and consideration. The theory of intersectionality should include speciesism in the array of discriminatory practices.

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Mobilizing Heads And Hearts For Wildlife Conservation, Valérie A. M. Schoof, Simon L'Allier Jan 2019

Mobilizing Heads And Hearts For Wildlife Conservation, Valérie A. M. Schoof, Simon L'Allier

Animal Sentience

Highlighting the shared evolutionary relationships between humans and animals — and recognizing that all species, including humans, are unique in their own way — may facilitate caring for and conserving animals by tapping into a human emotion: empathy.

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Moral Relevance Of Cognitive Complexity, Empathy And Species Differences In Suffering, John Lazarus Jan 2019

Moral Relevance Of Cognitive Complexity, Empathy And Species Differences In Suffering, John Lazarus

Animal Sentience

I qualify two criticisms made by commentators on Chapman & Huffman’s target article. Responding to the view that differences between humans and other animals are irrelevant to deciding how we should treat other species, I point out that differences between any species in their capacity to suffer are morally relevant. And in response to the claim that suffering is the sole criterion for the moral treatment of animals, I argue that cognitive complexity and a capacity for empathy also have moral relevance to the extent that they influence suffering.

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Animal Cognition: Quantity Has A Quality Of Its Own, Ivaylo Borislavov Iotchev, Kauê Machado Costa Jan 2019

Animal Cognition: Quantity Has A Quality Of Its Own, Ivaylo Borislavov Iotchev, Kauê Machado Costa

Animal Sentience

Chapman & Huffman’s moral analysis fails to prove that the exploitation of animals or the environment is causally connected to beliefs about human capacities. Their exposition of the philosophical interpretations of animal cognition ignores historical context and confounds different levels of analysis. Their analysis of the scientific literature, from which they conclude that humans should not be considered as different from other animals, does not take into account many recent psychological and neuroscientific developments and rests upon a flawed understanding of the relationship between gradual and categorical differences, misrepresenting the two as mutually exclusive concepts.

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Corticocentric Bias In Cognitive Neuroscience, Orit Nafcha, Shai Gabay Jan 2019

Corticocentric Bias In Cognitive Neuroscience, Orit Nafcha, Shai Gabay

Animal Sentience

Chapman & Huffman (2018) note that our tendency to categorize leads to a sense of human superiority that helps justify violence against nonhuman animals. Yet animals are turning out to have capacities previously thought to be uniquely human. We add a further factor that may contribute to the false sense of human superiority: the "corticocentric" bias of neuroscience. An evolutionary approach may help identify species similarities and differences, providing a better understanding of the uniqueness of each species.

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Taking Darwinism Seriously, Carsta Simon Jan 2019

Taking Darwinism Seriously, Carsta Simon

Animal Sentience

Chapman & Huffman propose that dropping the categorical distinction between human and nonhuman animals may reduce the atrocious acts of humans towards nonhuman animals, but will it? Taking Darwinism seriously means accepting physical and behavioral continuity across species, including the capacity to feel pain.

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Refining Thoughts About Human/Nonhuman Differences, Colin A. Chapman, Michael A. Huffman Jan 2019

Refining Thoughts About Human/Nonhuman Differences, Colin A. Chapman, Michael A. Huffman

Animal Sentience

Our commentators come from many fields and disciplines and express highly divergent views, illustrating broad interest in the question. From the breadth of comments, we have identified two recurring themes, which we focus on here. The first is a preponderance of cautionary remarks about evaluating the differences between humans and nonhuman animals. The second concerns whether considering animals as worthy of moral consideration is one of many useful tools for conservationists trying to prevent extinction, habitat destruction, and climate change.

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Why Cod Don't Like To Sunbathe: Quantity And Quality In The Animal Kingdom, Christoph Jung Jan 2019

Why Cod Don't Like To Sunbathe: Quantity And Quality In The Animal Kingdom, Christoph Jung

Animal Sentience

The difference between a cod and a lizard is not just a quantitative one. The recognition of qualitative differences between species does not imply a moral ranking. Our species’ special abilities to shape the earth mean we have a special responsibility for ensuring a liveable future for all organisms, human and non-human.

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Superior Or Inferior, Human Uniqueness Is Manifold, Scott Atran Jan 2019

Superior Or Inferior, Human Uniqueness Is Manifold, Scott Atran

Animal Sentience

Chapman & Huffman (C & H) contend that, as with all biological traits, there is evolutionary continuity underlying cognitive and social traits previously thought to be unique to humans. Yet C & H, like Darwin, appeal to a seemingly unique moral aptitude that enables humans to be kind to conspecific strangers and other species.

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Diversity On Human Difference: Unanimity On Human Responsibility, Colin A. Chapman, Michael A. Huffman Jan 2019

Diversity On Human Difference: Unanimity On Human Responsibility, Colin A. Chapman, Michael A. Huffman

Animal Sentience

Further commentaries on our original target article add important new points and expand our understanding of the differences between animals, particularly between non-human and human primates. But whether they affirm or deny that humans are unique, all commentators agree that our special abilities mean we should be taking responsibility for the care of nature and the plants and animals it supports. We ask: is humankind doing this?

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Zoo Animal Welfare: The Human Dimension, Justine Cole, David Fraser Oct 2018

Zoo Animal Welfare: The Human Dimension, Justine Cole, David Fraser

Zoo and Aquarium Animal Populations Collection

Standards and policies intended to safeguard nonhuman animal welfare, whether in zoos, farms, or laboratories, have tended to emphasize features of the physical environment. However, research has now made it clear that very different welfare outcomes are commonly seen in facilities using similar environments or conforming to the same animal welfare requirements. This wide variation is almost certainly due, at least in part, to the important effects of the actions of animal care staff on animal welfare. Drawing mostly on the farm animal literature, we propose that this “human dimension” of animal welfare involves seven components: (1) positive human–animal interaction, …

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The Private And Free Roaming Street Dog Population In Coimbatore, Tamil Nadu, India, Tamara Kartal, Amit Chaudhari Jun 2018

The Private And Free Roaming Street Dog Population In Coimbatore, Tamil Nadu, India, Tamara Kartal, Amit Chaudhari

Stray and Feral Animal Populations Collection

Humane Society International - India (HSI- India) together with Humane Animal Society (HAS) and a team of volunteers conducted two dog population surveys in 100 wards of Coimbatore, India (The 2011 census provides a human population of 10507211; An estimate from 2017 estimates a human population of 18900002). The first was a street dog survey and the other was a household survey of the private (pet) dog population and their owners.

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Ethical Foundations For The Lethal Management Of Double-Crested Cormorants (Phalocrocorax Auritus) In The Eastern United States: An Argument Analysis, Chelsea Batavia, Michael Paul Nelson Jun 2018

Ethical Foundations For The Lethal Management Of Double-Crested Cormorants (Phalocrocorax Auritus) In The Eastern United States: An Argument Analysis, Chelsea Batavia, Michael Paul Nelson

Ethics and Conservation Biology Collection

Lethal management of Double-crested Cormorants (Phalocrocorax auritus) has been implemented in many areas of the United States. In this paper, the philosophical method of argument analysis is used to assess ethical premises underlying the proposition that Double-crested Cormorant populations should be culled to reduce pressures on wild fisheries in the Great Lakes region of the eastern USA. This influential argument has been used to justify the destruction of more than half a million Double-crested Cormorants and hundreds of thousands of their nests and eggs. Three versions of the argument are formulated and assessed. It is shown that each of the …

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Political Populations Of Large Carnivores, Chris T. Darimont, Paul C. Paquet, Adrian Treves, Kyle A. Artelle Jun 2018

Political Populations Of Large Carnivores, Chris T. Darimont, Paul C. Paquet, Adrian Treves, Kyle A. Artelle

Wildlife Population Management Collection

No abstract provided.

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Chickens Play To The Crowd, Cinzia Chiandetti Jan 2018

Chickens Play To The Crowd, Cinzia Chiandetti

Animal Sentience

The time was ripe for Marino’s review of chickens’ cognitive capacities. The research community, apart from expressing gratitude for Marino’s work, should now use it to increase public awareness of chickens’ abilities. People’s views on many animals are ill-informed. Scientists need to communicate and engage with the public about the relevance and societal implications of their findings.

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Post-Darwin Skepticism And Run-Of-The-Mill Suicide, John Hadley Jan 2018

Post-Darwin Skepticism And Run-Of-The-Mill Suicide, John Hadley

Animal Sentience

Peña-Guzmán’s depiction of the opponent of animal suicide as a conservative is a straw man. It is possible to accept that animals are self-conscious and reflexive yet still reject the view that they have the mental wherewithal to commit run-of-the-mill suicide. That animal behaviour can be positioned on a continuum of self-destructive behaviour does not establish that animals can intentionally kill themselves.

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An Adaptationist Perspective On Animal Suicide, Timothy P. Racine Jan 2018

An Adaptationist Perspective On Animal Suicide, Timothy P. Racine

Animal Sentience

Peña-Guzmán’s discussion of suicide in nonhuman animals has broad implications. In this commentary, I focus on the logical relation between suicide and intention. Proximate cause must be distinguished from ultimate function in explanations of suicide. I briefly discuss two adaptationist accounts of suicidal behavior.

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Lessons From Chimpanzee Sign Language Studies, Mary Lee Jensvold Jan 2018

Lessons From Chimpanzee Sign Language Studies, Mary Lee Jensvold

Animal Sentience

Claims are often made about behaviors being unique to humans; the evidence usually shows they are not. Sign language studies on chimpanzees may provide a useful model for comparative studies of suicide. A productive approach to comparative studies is to focus on observable behaviors rather than getting lost in the pitfalls of vague definitions and changing measures.

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Animal Suicide: An Account Worth Giving?, Irina Mikhalevich Jan 2018

Animal Suicide: An Account Worth Giving?, Irina Mikhalevich

Animal Sentience

Peña-Guzmán (2017) argues that empirical evidence and evolutionary theory compel us to treat the phenomenon of suicide as continuous in the animal kingdom. He defends a “continuist” account in which suicide is a multiply-realizable phenomenon characterized by self-injurious and self-annihilative behaviors. This view is problematic for several reasons. First, it appears to mischaracterize the Darwinian view that mind is continuous in nature. Second, by focusing only on surface-level features of behavior, it groups causally and etiologically disparate phenomena under a single conceptual umbrella, thereby reducing the account’s explanatory power. Third, it obscures existing analyses of suicide in biomedical ethics and …

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Can Nondolphins Commit Suicide?, David M. Peña-Guzmán Jan 2018

Can Nondolphins Commit Suicide?, David M. Peña-Guzmán

Animal Sentience

This Response addresses the scientific and philosophical criticisms of my 2017 target article “Can nonhuman animals commit suicide?” It defends my key claims and explores topics (such as animal judgment, animal theory of mind, and the evolution of suicide) that did not appear in the original article. It also points out areas in which further research is needed and concludes that we should be wary of accusations of “anthropomorphism” in debates about animal suicide.

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Animal Suicide: Evolutionary Continuity Or Anthropomorphism?, Antonio Preti Jan 2018

Animal Suicide: Evolutionary Continuity Or Anthropomorphism?, Antonio Preti

Animal Sentience

Evolutionary processes are characterized by both continuity and discontinuity. Evidence on suicide in nonhuman animals is faint and often rests on the metaphorical or anthropomorphic use of the term. Suicidal behavior might be an evolutionary jump relatively recent in our species: a byproduct of living in groups of people who are not as closely related genetically as in social groups of nonhuman mammals.

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