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Observations of some mammals and birds touching their dead provoke questions about the motivation and adaptive value of this potentially risky behaviour. Here, we use controlled experiments to determine if tactile interactions are characteristic of wild American crow responses to dead crows, and what the prevalence and nature of tactile interactions suggests about their motivations. In Experiment 1, we test if food or information acquisition motivates contact by presenting crows with taxidermy-prepared dead crows, and two species crows are known to scavenge: dead pigeons and dead squirrels. In Experiment 2, we test if territoriality motivates tactile interactions by presenting crows with taxidermy crows prepared to look either dead or upright and life-like. In Experiment 1, we find that crows are significantly less likely to make contact but more likely to alarm call and recruit other birds in response to dead crows than to dead pigeons and squirrels. In addition, we find that aggressive and sexual encounters with dead crows are seasonally biased. These findings are inconsistent with feeding or information acquisition-based motivation. In Experiment 2, we find that crows rarely dive-bomb and more often alarm call and recruit other crows to dead than to life-like crows, behaviours inconsistent with responses given to live intruders. Consistent with a danger response hypothesis, our results show that alarm calling and neighbour recruitment occur more frequently in response to dead crows than other stimuli, and that touching dead crows is atypical. Occasional contacts, which take a variety of aggressive and sexual forms, may result from an inability to mediate conflicting stimuli. This article is part of the theme issue ‘Evolutionary thanatology: impacts of the dead on the living in humans and other animals’.

In comparative thanatology, most reports for nonhuman mammals concern mothers' behavioural responses to their dead offspring: most prominently, dead-infant carrying (sometimes of extended duration); but also inspection, proximity, maternal care such as grooming, protective behaviours and filial cannibalism. Documented across many primate species, these behaviours remain poorly understood in all. The literature is dominated by relatively brief qualitative descriptions of isolated anecdotal cases in apes and monkeys. We argue for quantitative coding in case reports, alongside analyses of longitudinal records of such events to allow objective evaluation of competing theories, and systematic comparisons within and across species and populations. Obtaining necessary datasets depends on raised awareness in researchers of the importance of recording occurrences and knowledge of pertinent data to collect. We review proposed explanatory hypotheses and outline data needed to test each empirically. To determine factors influencing infant-corpse carriage, we suggest analyses of deaths resulting in ‘carry’ versus ‘no carry’. For individual cases, we highlight behavioural variables to code and the need for hormonal samples. We discuss mothers' stress and welfare in relation to infant death, continued transportation and premature removal of the corpse. Elucidating underlying proximate and ultimate causes is important for understanding phylogeny of maternal responses to infant death. This article is part of the theme issue ‘Evolutionary thanatology: impacts of the dead on the living in humans and other animals’.

Skeletonization is often perceived as an indicator of long post-mortem intervals. The finding of feeding larvae of first colonizers, on the other hand, indicates days. We present a case in which both findings were present. Larvae of , aged 9 days, and skeletonization of the head and part of the thorax were both found on an unidentified female body. Identification of dentures eventually led to resolution of the case and a confession, which settled the seeming contradiction in favor of forensic entomology.

\"In this original and compelling book, Jeffrey P. Bishop, a philosopher, ethicist, and physician, argues that something has gone sadly amiss in the care of the dying by contemporary medicine and in our social and political views of death, as shaped by our scientific successes and ongoing debates about euthanasia and the \"right to die\"--or to live. The Anticipatory Corpse: Medicine, Power, and the Care of the Dying, informed by Foucault's genealogy of medicine and power as well as by a thorough grasp of current medical practices and medical ethics, argues that a view of people as machines in motion--people as, in effect, temporarily animated corpses with interchangeable parts--has become epistemologically normative for medicine. The dead body is subtly anticipated in our practices of exercising control over the suffering person, whether through technological mastery in the intensive care unit or through the impersonal, quasi-scientific assessments of psychological and spiritual \"medicine.\" The result is a kind of nihilistic attitude toward the dying, and troubling contradictions and absurdities in our practices. Wide-ranging in its examples, from organ donation rules in the United States, to ICU medicine, to \"spiritual surveys,\" to presidential bioethics commissions attempting to define death, and to high-profile cases such as Terri Schiavo's, The Anticipatory Corpse explores the historical, political, and philosophical underpinnings of our care of the dying and, finally, the possibilities of change. A ground-breaking work in bioethics, this book will provoke thought and argument for all those engaged in medicine, philosophy, theology, and health policy.\"With extraordinary philosophical sophistication as well as knowledge of modern medicine, Bishop argues that the body that shapes the work of modern medicine is a dead body. He defends this claim decisively with with urgency. I know of no book that is at once more challenging and informative as The Anticipatory Corpse. To say this book is the most important one written in the philosophy of medicine in the last twenty-five years would not do it justice. This book is destined to change the way we think and, hopefully, practice medicine.\" -Stanley Hauerwas, Duke Divinity School \"Jeffrey Bishop carefully builds a detailed, scholarly case that medicine is shaped by its attitudes toward death. Clinicians, ethicists, medical educators, policy makers, and administrators need to understand the fraught relationship between clinical practices and death, and The Anticipatory Corpse is an essential text. Bishop's use of the writings of Michel Foucault is especially provocative and significant. This book is the closest we have to a genealogy of death.\" Arthur W. Frank, University of Calgary \"Jeffrey Bishop has produced a masterful study of how the living body has been placed within medicine's metaphysics of efficient causality and within its commitment to a totalizing control of life and death, which control has only been strengthened by medicine's taking on the mantle of a bio-psycho-socio-spiritual model. This volume's treatment of medicine's care of the dying will surely be recognized as a cardinal text in the philosophy of medicine.\" H. Tristram Engelhardt, Jr., Rice University, Baylor College of Medicine\"--Provided by publisher.

Societies, including those of humans, have evolved multiple ways of dealing with death across changing circumstances and pressures. Despite many studies focusing on specialized topics, for example necrophoresis in eusocial insects, mortuary activities in early human societies, or grief and mourning in bereavement, there has been little attempt to consider these disparate research endeavours from a broader evolutionary perspective. Evolutionary thanatology does this by adopting an explicit evolutionary stance for studies of death and dying within the sociological, psychological and biological disciplines. The collection of papers in this themed issue demonstrates the value of this approach by describing what is known about how various nonhuman species detect and respond to death in conspecifics, how problems of disposing of the dead have evolved in human societies across evolutionary time and also within much shorter time frames, how human adults' understanding of death develops, and how it is ultimately reflected in death-related language. The psychological significance and impact of death is clearly seen in some species' grief-like reactions to the loss of attachment figures, and perhaps uniquely in humans, the existence of certain psychological processes that may lead to suicide. Several research questions are proposed as starting points for building a more comprehensive picture of the ontogeny and phylogeny of how organisms deal with death. This article is part of the theme issue ‘Evolutionary thanatology: impacts of the dead on the living in humans and other animals’.

\"If ever there was an area requiring that the research-practice gap be bridged, surely it occurs where thanatologists engage with people dealing with human mortality and loss. The field of thanatology - the study of death and dying - is a complex, multidisciplinary area that encompases the range of human experiences, emotions, expectations, and realities. The Handbook of Thanatology is the most authoritative volume in the field, providing a single source of up-to-date scholarship, research, and practice implications. The handbook is the recommended resource for preparation for the prestigious certificate in thanatology (CT) and fellow in thanatology (FT) credentials, which are administered and granted by ADEC\"-- Provided by publisher.

Evolutionary thanatology benefits from broad taxonomic comparisons of non-human animals' responses to death. Furthermore, exploring the sensory and cognitive bases of these responses promises to allow classification of the underlying mechanisms on a spectrum from phylogenetically ancient to more derived traits. We draw on studies of perception and cognition in invertebrate and vertebrate taxa (with a focus on arthropods, corvids, proboscids, cetaceans and primates) to explore the cues that these animals use to detect life and death in others, and discuss proximate and ultimate drivers behind their capacities to do so. Parallels in thanatological behaviour exhibited by the last four taxa suggest similar sensory–cognitive processing rules for dealing with corpses, the evolution of which may have been driven by complex social environments. Uniting these responses is a phenomenon we term ‘animacy detection malfunction’, whereupon the corpse, having both animate and inanimate attributes, creates states of fear/curiosity manifested as approach/avoidance behaviours in observers. We suggest that integrating diverse lines of evidence (including the ‘uncanny valley’ effect originating from the field of robotics) provides a promising way to advance the field, and conclude by proposing avenues for future research. This article is part of the theme issue ‘Evolutionary thanatology: impacts of the dead on the living in humans and other animals’.