Experience and Prediction was Hans Reichenbach’s major epistemological treatise1 He regarded it as his refutation of logical positivism. The main theme of this book — the foundation for his critique of positivism — is his thoroughgoing probabilism. It is interesting to note that in 1933 Reichenbach published a glowing review of Rudolf Carnap’s Der Logische Aufbau der Welt, his only criticism being an inability to see how probability could fit into the picture. In the first chapter of Experience and Prediction (...) he presents his version of the verifiability theory of cognitive meaning. Instead of demanding, as the logical positivists had, the conclusive verifiability of a sentence if it is to qualify as cognitively meaningful, he insists upon probabilistic verifiability. A sentence is cognitively meaningful if and only if it is physically possible to have empirical evidence in terms of which a probability can be assigned to it. (shrink)

ArgumentIn this paper I study the engagement of German ornithologists with the Collared Dove, a bird species of Asian origin that spread massively throughout Central Europe in the 1940s and 1950s. Never before had the spread of a single species attracted so much attention from European ornithologists. Ornithologists were not only fascinated by the exotic origin of the bird, but even more so by the unprecedented rapidity of its expansion. As it is argued in the paper, the advent of the (...) bird created an outstanding opportunity for ornithologists to study the process of biogeographic range expansion. The paper traces how knowledge on the dove's expansion took shape in the social, discursive, and material practices of a large-scale observation campaign of German ornithologists. The paper also argues that ornithologists’ observation practices have contributed to the construction of a benevolent cultural image of the Collared Dove. This sets the case of the Collared Dove apart from many recent debates in which newly arriving species have been framed as a threat to biodiversity. The paper contributes both to a historical understanding of scientific fieldwork as well as of the role of scientific knowledge in the shaping of cultural meanings of animals. (shrink)

Classifications of animals and plants have long been represented by hierarchical lists of taxa, but occasional authors have drawn diagrammatic versions of their classifications in an attempt to better depict the "natural relationships" of their organisms. Ornithologists in 19th-century Britain produced and pioneered many types of classificatory diagrams, and these fall into three groups: (a) the quinarian systems of Vigors and Swainson (1820s and 1830s); (b) the "maps" of Strickland and Wallace (1840s and 1850s); and (c) the evolutionary diagrams of (...) the post-Darwin authors (1860 on). The quinarians distinguished between affinity and analogy and used both in their classifications, whereas Strickland rejected the quinarians' belief in numerical regularity and their use of analogy. Wallace's "maps" are easily given an evolutionary interpretation, and his approach was taken up and modified by later evolutionary anatomists. Sharpe returned to Strickland's methods and merely appended a superficial evolutionary interpretation. Contrary to common belief systematics has a rich conceptual history, and many of the conceptual developments in 19th-century systematics were made by ornithologists. (shrink)

In the late 1930s networks of amateur observers across Britain were collecting data on birds , aircraft and society itself . This paper concentrates on birdwatching practice in the period 1930–1955. Through an examination of the construction of birdwatching's subjects, the Observers, and their objects, birds, it is argued that amateur strategies of scientific observation and record reflected, and were part-constitutive of, particular versions of ecological, national and social identity in this period. The paper examines how conflicts between a rural, (...) organicist Britishness and a modern, planner-preservationist Britishness were elaborated and contained within the figure of the birdwatcher and within the institutional epistemologies of the Royal Society for the Protection of Birds and the British Trust for Ornithology. Such conflicts are shown to be embedded in the structuring of visual perception in different strategies of bird and aircraft identification, particularly between analytic and gestalt methods; the paper examines, using the related ‘field-science’ of aircraft recognition, the importance of identificatory processes in the construction of the Observer, and concludes by examining whether tensions between organicist and scientific discourses were in any sense resolved by the end of this period. (shrink)

I review ornithological literature in order to demonstrate that conventions of description and illustration, as well as some aspects of biological theory relating to birds, put a strong focus on male birds. I criticize the sexist aspects of ornithology from the standpoint of recent feminist philosophy of science, establishing connections between the ways in which we view animals and the ways in which we viewourselves and arguing that it is costly to humans, specifically women, to suggest that females of (...) the nonhuman species are biologically inadequate in relation to their male counterparts. Finally, I note that failure to notice and excise residual sexism in animal science also encourages people to be inattentive to and less considerate of a large and significant part of nature. I conclude with some suggestionsfor reform. (shrink)

In the early twentieth century, ornithology underwent significant changes. So far, these changes, basically, have been studied by focussing on the elite of professional biologists working at universities or state museums. However, important developments also occurred in what Lynn Nyhart has called “the civic realm” of science – the sphere given form by private naturalist associations, nature writers, taxidermists and school teachers. This article studies the changing dynamics of civic ornithology, by looking at one particular case: the influential (...) orinthological observatory in Rossitten, East-Prussia. This observatory, the first of its kind, was founded in 1901 and led, for the first three decades of its existence, by the minister Johannes Thienemann. This article analyses the ornithological practices Thienemann developed in Rossitten and the rhetoric he used to defend these practices. In both, so it is argued, one finds a mixture of the traditional, locally anchored naturalist approach with the new ideals of the “modern” and “experimental” university laboratories. The innovations which Thienemann introduced in this hybrid form of ornithology called for specific spatial strategies which made optimal use of the natural chatacteristics of his workplace and which mobilized a large civic network of geograhically scattered amateurs. At the same time, his work also altered the space he shared with the birds – materially, conceptually and culturally. Thus, this article maintains Thienemann's ornithology can only be understood by acknowledging its continuous interaction with the geographical and civic context in which it arose. (shrink)

Professor Martin West's paper, titled ‘The Parodos of the Agamemnon’’, argues with characteristic learning and insight that Archilochus’’ fable of the fox and the eagle was a major source for Aeschylus’’ description of the portent of the eagles and the pregnant hare in the parodos of the Agamemnon . The portent is vividly described by the chorus: two eagles, one black and one white behind feed upon a pregnant hare. Poetry is not real life, and Aeschylus’’ picture is not a (...) naturalist's field-report. At the same time, an image's power increases in proportion to its precision, and I have no doubt that at some stage behind Aeschylus’’ description there was a personal sighting of a parallel incident by Aeschylus himself perhaps, or by Archilochus, or by an unknown figure who passed on his report. Fraenkel's commentary avers that ‘precise zoological identification of the species of eagle named by Aeschylus must not be attempted.’’ This is a fair warning, but not for the reason advanced by Fraenkel here: the plumage variation among different birds of the same species, which makes the identification of large raptors in the wilds of Greece today a problem for even the most expert ornithologists. There are two better reasons. One will emerge in the course of this note. The other is that no ancient writer using the Greek language came at all near to the modern classification of eagle species native to Greece. (shrink)

Reinvention of the form of expression is a conceptual approach characteristic for the evolution of all arts. This research study provides one such step forward in the advancement of scientific paper, a standard form of expression in natural sciences, toward more progressive terrains. The paper adopts the form of a theatrical play where a scientific family of four attempts to find the way around a writer’s block (Act I). Their idealess sense of confinement is overcome through arts or, more specifically, (...) through scientific research implementing the aesthetics of music as its key element. The characters record compositions differing in the degrees of consonance, rhythmicity and tonality, and play them to birds to observe their vocal and behavioral responses (Act II). They note that the birdsong volume drops significantly when the piano tunes, especially the compositionally complex ones, are played to the birds and increases signifcantly when the white noise of ocean waves is played. The bird count experiment proves indirectly that the birdsong volume reduction is an auditory response of the birds to music rather than the effect of their migrating to or away from the sound source. This science with the flavor of art elevates the characters beyond the limits of their confinement and they, exalted and uplifted, gain ideas for creative research in their own disciplines of biomedical science (Act III). They relinquish the newly gained freedom in favor of embracing love for humanity that underlies medical research and return to their confinement, where they conduct, in the coda of the paper, a series of experiments that venture beyond musicology and ornithology and fall in the domains of tissue engineering and drug delivery, but also psychology (Act III). First, sparrow nests are used as templates for tissue engineering constructs, which facilitate the growth of human fibroblastic cells better than their artificial, gridded replicas. Next, the shell of an Easter egg, predominantly calcite in composition, is used with success as a drug delivery carrier. Lastly, the bird nest drawing experiment demonstrates a greater mental health of children than that of the adults, correlating with one of the overarching points of the paper, which is to present children as a model for grownups to follow rather than the other way around. Over the course of the play, the characters discuss the value of the various fusions between art and science, question the limits of human language and repeatedly go off-topic to celebrate the freeness of the creative thinking process. The play reports on real-life research methods and scientific results through a narrative, without diminishing their empirical rigor and analytical accuracy. (shrink)

The contents of the British Ornithologists' Union's journal, "The Ibis," during the first half of the 20th century illustrates some of the transformations that have taken place in the naturalist tradition. Although later generations of ornithologists described these changes as logical and progressive, their historical narratives had more to do with legitimizing the infiltration of the priorities of evolutionary theory, ecology, and ethology than analyzing the legacy of the naturalist tradition on its own terms. Despite ornithologists' claim that the journal's (...) increasing focus on "biology" represented a natural development after the preliminary phase of systematics and geographical ornithology, in fact a small group campaigned to bring the priorities of population ecology, behavior, and selection theory into the journal and British ornithology more generally. The problems involved in this transition highlight the importance of methodological and institutional context in determining and reinforcing appropriate research programs for ornithologists. Comparing the discipline-building rhetoric of moderns with the contents of the past illustrates how modern evaluations of 19th century research programs have been enmeshed in ornithologists' endeavors to forge new identities for traditional disciplines. (shrink)

By following the arguments between Coenraad J. Temminck and fellow ornithologists Louis J.-P. Vieillot and Nicholas Vigors, this paper sketches, to a degree, the state of zoological classification and nomenclature between 1825 and 1840 in Europe. The discussions revolved around the problems caused by an unstable nomenclature, the different definitions of genera and species and the best method to achieve a natural system of classification. As more and more naturalists concerned with classifying and arranging the groups of birds joined these (...) discussions, a broad platform for debate emerged around the 1840s that gave a major impulse to the disciplines of taxonomy and systematics. Natural history ceased to be dominated by a few influential scientific authorities and became the scientific field where debate preceded agreement and, with it, progress. With this ‘democratization’ of natural history, Temminck's status significantly changed between 1815 and 1840. After that year, his own views on classification along with certain economical and political developments in The Netherlands led Temminck to abandon the arena of ornithology and therefore, to lose his scientific authority. (shrink)

From ornithology to a love supreme : overcoming the forces of gravity, and the teaching of Amor Fati -- Zarathustra's convalescence : cognitive expansions and inner wisdom -- With Nietzsche on the road from revenge to redemption -- Traumatic pain : psychotherapeutic conversation between mediumship and soul wisdom -- Psychotherapy as a vocation : giving voice to soul -- Intuitive and inceptual thinking : the meditative paths of Steiner and Heidegger -- "While my conscience explodes".

Explaining how something is possible is a familiar and epistemically important achievement in both science and ordinary life. But a satisfactory general account of how-possibly explanation has not yet been given. A crucial desideratum for a successful account is that it must differentiate a demonstration that something is possible from an explanation of how it is possible. In this paper, I offer an account of how-possibly explanation that fully captures this distinction. I motivate my account using two cases, one from (...) ordinary life and one from ornithology. On my account, a how-possibly explanation is a greater achievement than a mere description of how a state of affairs might possibly obtain. In addition to being a potential explanation of why some state of affairs actually obtains, a how-possibly explanation must involve the relief of an imaginative frustration on the part of its recipient. When a recipient’s imaginative frustration is relieved, she does not just know that the state of affairs in question is possible, but is also able to imagine how it could possibly obtain. (shrink)

Dr Ernst Mayr has been one of the seminal figures of 20th century biology. His essential contributions were in the development of the Modern Synthesis in evolutionary biology. His landmark book Systematics and the Origin of Species, was published in 1942 and has long been acknowledged as one of the key foundations of 20th century evolutionary biology. In many subsequent articles and books on evolution and the history and philosophy of biology during the past half century, he has continued to (...) be a key contributor of ideas and inspiration to successive generations of evolutionary biologists.In the first of two ‘Roots’ articles, he describes the early stages of his career and the serendipitous events that furthered it. This article was first presented as a talk, on October 27, 1993, at the 50 year Jubilee celebration of the founding of the Whitney wing, the ornithological section, of the American Museum of Natural History in New York City. In next month's ‘Roots’ article, Dr Mayr will describe the events that led to the founding of the Society for the Study of Evolution in 1946, in St Louis, Missouri. (shrink)

With an increasing awareness of what they eat and the provenance of their food, people nowadays often raise such questions as where does the food come from? How is it produced? This concern over food ingredients and origins has resulted in a burgeoning interest in growing one's own food, both for the satisfaction in having done it oneself and for the assurance of food quality and safety. But how to grow one's own food in the midst of an urban metropolis? (...) How to do it without a real garden?This book points the way, especially for beginners and those who may only have a balcony or a rooftop and are limited to growing in containers. It is not just about gardening in a narrow sense. It delves into the growing of plants as a multidisciplinary activity involving not only botany, but also zoology, geology, meteorology, philosophy, ornithology, and more. The book sends a strong environmental message for a reevaluation of modern lifestyle. (shrink)

Scientists often collect (kill) organisms in pursuit of human knowledge. When is such killing morally permissible? I explore this question with particular reference to ornithology and against the background of animal liberation ethics and a land ethic, especially Mary Anne Warren’s account that finds the two ethics complementary. I argue that the ethical theories offered provide insufficient guidance. As a step toward the resolution of this serious problem, I offer a set of criteria to determine when collecting is morally (...) permissible. (shrink)

Known as the Darwin of the twenty-first century, the German biologist Ernst Walter Mayr (1904-2005) studied a great variety of subjects such as Ornithology, Genetics, Evolution, Classification, History, and Philosophy of Biology. This scientist was a giant of the previous century and an icon of Evolutionary Biology. He became famous for his Biological Species Concept and his conclusion that allopatry is the main cause for the origin of species. He provided a decisive contribution to the New Systematics and was (...) the pioneer of the punctuated equilibrium idea. Mayr was one of the main architects of the evolutionary synthesis as also of the Neo-Darwinian wave. Evaluated together, all of his works reveal several elements of his ambition – to organize a philosophical conception inherent for Biology. An assiduous defender of autonomous Biology, Mayr asserted that four sets of factors in Biology differ from those in the Exact Sciences: (I) refutation of essentialism, mechanism, vitalism, and teleology; (II) some physical principles cannot be applied to Biology; (III) absence of general laws in Biology; and (IV) basic principles of biology and their specific character cannot be applied to the inanimate world. The present study took as an axis a minor or even invisible theme from the Ernst Mayr literature and aims to analyze critically the theoretical and epistemological basis that subsidizes – or not– the affirmation that Biology is an autonomous Science. - O biólogo alemão Ernst Walter Mayr (1904-2005), conhecido como o Darwin do século XXI, trabalhou com uma grande variedade de temas: Ornitologia, Genética, Evolução, Classificação, História e Filosofia da Biologia. Esse cientista foi um dos gigantes do século XX e um ícone para a Biologia Evolutiva. Ficou famoso com o seu Conceito Biológico de Espécie e sua conclusão de que a alopatria era a principal causa da origem das espécies. Forneceu uma contribuição decisiva à Nova Sistemática, foi precursor da ideia de equilíbrio pontuado e um dos principais arquitetos da síntese evolutiva, bem como do movimento Neodarwinista. Quando avaliados em conjunto, seus trabalhos revelam os diversos elementos de sua ambição – organizar um corpo de concepções filosóficas próprias da Biologia. Defensor assíduo de uma Biologia autônoma, Mayr afirmou que há quatro conjuntos de fatores que diferenciam a Biologia do conjunto das Ciências Exatas: (I) refutação do essencialismo, do mecanicismo, do vitalismo e da teleologia; (II) convicção de que certos princípios da Física não podem ser aplicados à Biologia; (III) ausência de leis naturais universais em Biologia; e (IV) percepção do caráter único de certos princípios básicos da Biologia não aplicáveis ao mundo inanimado. O presente artigo tomou por eixo um tema aparentemente menor ou mesmo invisível na obra de Ernst Mayr e pretende realizar uma análise crítica acerca de suas bases teóricas e epistemológicas que subsidiaram – ou não – a afirmação da Biologia como uma Ciência autônoma. (shrink)

The contents of the British Ornithologists' Union's journal, "The Ibis," during the first half of the 20th century illustrates some of the transformations that have taken place in the naturalist tradition. Although later generations of ornithologists described these changes as logical and progressive, their historical narratives had more to do with legitimizing the infiltration of the priorities of evolutionary theory, ecology, and ethology than analyzing the legacy of the naturalist tradition on its own terms. Despite ornithologists' claim that the journal's (...) increasing focus on "biology" represented a natural development after the preliminary phase of systematics and geographical ornithology, in fact a small group campaigned to bring the priorities of population ecology, behavior, and selection theory into the journal and British ornithology more generally. The problems involved in this transition highlight the importance of methodological and institutional context in determining and reinforcing appropriate research programs for ornithologists. Comparing the discipline-building rhetoric of moderns with the contents of the past illustrates how modern evaluations of 19th century research programs have been enmeshed in ornithologists' endeavors to forge new identities for traditional disciplines. (shrink)

In the Commentary on the Metaphysics, Albert the Great (d. 1280) envisages the possibility that the human intellect relates to the highest realities not only as the eyes of the bat see the light of day (analogy used by Aristotle at the beginning of the second book of the Metaphysics) but also – thanks to study and gradually, already in this life – as the eyes of the eagle see the circle of the Sun. In the Summa theologiae, discussing the (...) same Aristotelian passage, Albert the Great replaces the eagle with the herodius (“golden eagle”, i.e. the eagle having supreme vision for Albert). The paper analyzes the meaning of this variation in Albertine ornithology, examining other passages of his works in which the herodius is mentioned and evaluating whether this is a sheer case of substitution of a species (the eagle) with one of its subspecies (the herodius) with the same meaning and function, or a subtle distinction between two different cognitive abilities required respectively by metaphysics and theology to know their objects of investigation. (shrink)

During the latter-half of the nineteenth century, the utility of the house sparrow to humankind was a contentious topic. In Britain, numerous actors from various backgrounds including natural history, acclimatisation, agriculture and economic ornithology converged on the bird, as contemporaries sought to calculate its economic cost and benefit to growers. Periodicals and newspapers provided an accessible and anonymous means of expression, through which the debate raged for over 50 years. By the end of the century, sparrows had been cast (...) as detrimental to agriculture. Yet consensus was not achieved through new scientific methods, instruments, or changes in practice. This study instead argues that the rise and fall of scientific disciplines and movements paved the way for consensus on “the sparrow question.” The decline of natural history and acclimatisation stifled a raging debate, while the rising science of economic ornithology sought to align itself with agricultural interests: the latter overwhelmingly hostile to sparrows. (shrink)

Havstad and Smith (2019) argue that Lakatos’ “methodology of scientific research programs” (MSRP) is a promising philosophical framework for explaining the perceived empirical success of the hypothesis that birds are maniraptoran theropod dinosaurs, and the perceived empirical failures or stagnation of alternatives to that hypothesis. These conclusions are rejected: Havstad and Smith’s account of the alternative “research programs” inadequately characterizes criticism of the hypothesis that birds are maniraptoran theropods and they neither offer sufficient modifications to MSRP to correct its known (...) difficulties in deriving logically or empirically satisfactory criteria for the assessment and preferential selection of “research programs” from historiographical data, nor proposals to mitigate its tendency to promote confirmation bias and dogmatism. Independent flight loss, an important problem in systematic ornithology with implications for the origin of birds, provides a supplementary demonstration of how the application of MSRP in the present context would tend systematically to mislead investigations of the evolutionary history of birds by promoting an uncritical perspective. Given these difficulties, MSRP is an unacceptable philosophical framework for evaluating alternative hypotheses for the origin of birds. (shrink)

ABSTRACT Between the 1910s and the 1940s, American naturalists carried out a number of ornithological expeditions in Colombia. With the help of Colombian naturalists, thousands of skins were brought to natural history museums in the United States. By 1948 these birds had become an important treasure: American ornithologists declared Colombia the nation with the most bird species. This story sheds new light on the role science played in the expansion of U.S. political, economic, and cultural influence in Latin America in (...) the early twentieth century, as well as on the relation between nationalist movements in Latin America and the study of the natural world. Recognizing a complex but fruitful interaction between nationalist policies and imperial practices proves important for understanding the success of the naturalists' enterprise in Colombia. (shrink)

This essay rethinks the meaning of ecopoetics by exploring poems about birds’ song – one of the most canonical themes in all of poetry – and how their poetics may be understood in relation to our growing ornithological knowledge about birds and how, why, and what they sing. While ecocriticism has traditionally thought such questions in terms of the experience – and the representation of the experience – of an auditor who, in her rapt attention, establishes the well-known bird/bard matrix (...) familiar from the poetic tradition, this essay argues for a non-representationalist ecopoetics in which poem and birds’ song share a common infrastructure of iterability. This helps us locate the ecological dimension of poetics rather differently, and it also opens onto the non-representationalist understanding of our experience of “world” in both deconstruction and systems theory, which long ago replaced the concept of “nature” with “environment.”. (shrink)

Ernst Mayr''s scientific career continues strongly 70 years after he published his first scientific paper in 1923. He is primarily a naturalist and ornithologist which has influenced his basic approach in science and later in philosophy and history of science. Mayr studied at the Natural History Museum in Berlin with Professor E. Stresemann, a leader in the most progressive school of avian systematics of the time. The contracts gained through Stresemann were central to Mayr''s participation in a three year expedition (...) to New Guinea and The Solomons, and the offer of a position in the Department of Ornithology, American Museum of Natural History, beginning in 1931. At the AMNH, Mayr was able to blend the best of the academic traditions of Europe with those of North America in developing a unified research program in biodiversity embracing systematics, biogeography and nomenclature. His tasks at the AMNH were to curate and study the huge collections amassed by the Whitney South Sea Expedition plus the just purchased Rothschild collection of birds. These studies provided Mayr with the empirical foundation essential for his 1942Systematics and the Origin of Species and his subsequent theoretical work in evolutionary biology as well as all his later work in the philosophy and history of science. Without a detailed understanding of Mayr''s empirical systematic and biogeographic work, one cannot possibly comprehend fully his immense contributions to evolutionary biology and his later analyses in the philosophy and history of science. (shrink)

rnst Mayr was born in Kempten, Germany, on July 5, 1904, making him, at age 95, the grand old man of evolutionary biology, one of the primary architects of the modem synthesis of genetic and evolutionary theory, and arguably one of the most influential scientists of the 20th century. His career interests have spanned a remarkable five different fields, including: (1) ornithology, (2) systematics, (3) zoogeography, (4) evolutionary theory, and (5) philosophy and history of science. Such broad research interests (...) grew from his education at a German Gymnasium (the equivalent of American high school, but at that time considerably more demanding), followed by a Candidacy in Medicine at the University of Greifswald in 1925 and a Ph.D. in zoology at the University of Berlin in 1926. (shrink)

This case examines how IBERDROLA, Spain’s leading electricity supplier, shifted the company’s strategic focus to concentrate on sustainability and turned it into a source of competitive edge in a liberalized market. Largely pre-empting the industry obligations that came out of the Kyoto agreement, IBERDROLA decided to put sustainability at the heart of the company’s decision-making processes. IBERDROLA sold off its most polluting facilities and all non-core activities to concentrate on becoming the greenest player on the market. Its success was due (...) to its willingness to walk the talk, to get stakeholders on side, and to demonstrate its determination to be a corporate citizen. An important element of the strategy was to establish a working relationship with important NGOs and effect their involvement with IBERDROLA’s activities. An early and uneasy partnership with WWF/Adena over the production of green energy proved a sharp learning curve for both parties. Then in 2004 a relatively minor event triggered a chain of reactions that led to a revolution in the company’s policy of stakeholder integration. A small group of protected birds was killed when they flew into the blades at one of IBERDROLA’s wind power facilities. When previous similar crises had occurred, IBERDROLA had dealt with them through the time-honoured methods of dialogue and confrontation. This time, IBERDROLA decided to initiate a new approach. They invited SEO/BirdLife (the Spanish Ornithology Society), the oldest Spanish NGO dedicated to the environment, to undertake a study into the implications of similar installations on bird conservation and the environment. The intention is for this collaboration to lead to a strategic agreement between both parties. (shrink)