Category: Animals

  • Download E-books Duck (Animal series) PDF

    The squat, noisy duck occupies a favourite position within the human cultural mind's eye, as evidenced through every little thing from the rubber duck of youth baths to assurance ads. With Duck, Victoria de Rijke explores the universality of this quacking chicken throughout the process human tradition and history.
    From the Eider duck to the Brazilian teal to the regularly occurring mallard, duck species are richly various, and de Rijke deals a complete evaluation in their evolutionary historical past. She explores the various roles that the duck performs in literature, artwork, and religion—including the Hebrew trust that geese signify immortality, and the Finnish delusion that the universe was once hatched from a duck’s egg. the writer additionally highlights the numerous position humor has consistently performed in human imaginings of duck existence, comparable to the Topographia Hibernia, a twelfth-century tome contending that geese originated as growths on tree trunks washed up on a seashore. however the ebook doesn't overlook the bird’s function in way of life besides, from nutrition dishes to jokes to cherished lively characters similar to Daffy Duck and Donald Duck. Duck is an unique account of a poultry whose particular silhouette is understood the area over.
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  • Download E-books A Naturalist amid Tropical Splendor PDF

    Captivated whereas nonetheless younger through the beauty and large quantity of the tropics, Alexander Skutch, world-renowned ornithologist and writer of twelve books on tropical birds, resolved to commit his existence to its examine and interpretation. For good over part a century, he has painstakingly saw the creatures that encompass him, really the birds, and he has concept lengthy and deeply - maybe greater than such a lot naturalists - in regards to the value of this ample existence. during this reflective account of lifestyles within the tropics, Skutch deals readers either his observations and his interpretations of what he has skilled. He brings a considerate, unequaled voice to the outline of the area he has grown to grasp and comprehend, a global thought of forbidding by means of so much northerners and nonetheless mostly unexplored.
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  • Download E-books Handbook of Psychopharmacology: Volume 14 Affective Disorders: Drug Actions in Animals and Man PDF

    By Richard F. Squires (auth.), Leslie L. Iversen, Susan D. Iversen, Solomon H. Snyder (eds.)

    Underlying the layout of the guide of Psychopharmacology is a prejudice that the research of drug impacts at the brain has complex to a degree the place easy study and scientific program actually mesh. those later volumes of the guide are dependent based on this perception. In sure volumes, teams of gear are handled as sessions with chapters starting from uncomplicated chemistry to scientific software. different volumes are assembled round subject parts similar to nervousness or affective problems. therefore, along with chapters on person drug sessions, we now have integrated essays addressing large components comparable to "The Limbic-Hypothalamic-Pituitary-Adrenal approach and Human Be­ havior" and "Peptides and the vital worried method. " Surveying those different contributions, one comes away with a sentiment that, faraway from being an "applied" technological know-how borrowing from primary mind chemistry and body structure, psychopharmacology has as an alternative supplied uncomplicated researchers with the instruments and conceptual techniques which now are advancing neurobiology to a vital position in sleek biology. in particular fulfilling is the feel that, whereas contributing to an realizing of the way the mind capabilities, psychopharmacology is a self-discipline whose end result provide actual aid to the mentally sick with supplies of escalating advantages sooner or later. L. L. 1. S. D. 1. S. H. S. VB CONTENTS bankruptcy 1 Monoamine Oxidase Inhibitors: Animal Pharmacology RICHARD F. SQUIRES 1. advent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 1. Localization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 2. functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . three 1. three. Mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . three 2. Inhibition of 5-HT and Catecholamine Synthesis. . . . . . . . five three. Inhibition of Spontaneous Firing of 5-HT Neurons. . . . . .

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  • Download E-books Reptiles: Open Your Eyes to a World of Discovery (Eye Wonder ) PDF

    By Simon Holland

    A precursor to DK's award-winning Eyewitness sequence, Eye Wonder was once specifically built for kids elderly 5 plus, that includes amazing images showing topics inside of their common surroundings, delivering an entire new point of knowledge via robust photographs. every one name within the sequence now includes academic actions together with precise and fake questions, quizzes, matching video games, and mazes. Vocabulary is out there to younger readers, with the meanings of latest, subject-related phrases essentially defined. the combo of visuals and informative, exact textual content will hook even these kids who often stay away from books.

    A examine the unusual and magnificent global of reptiles, Eye ask yourself: Reptiles introduces flying snakes, underwater lizards, infrequent dinosaur relations, and extra of nature's cold-blooded creatures.

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  • Download E-books Ciba Foundation Symposium - The Lifespan of Animals (Colloquia on Ageing), Volume 5 PDF

    quantity 1

    Methods and functions of information in medical Trials, quantity 1: innovations, ideas, Trials, and Designs effectively upholds the targets of the Wiley Encyclopedia of medical Trials via combining either previously-published and newly built contributions written by means of over a hundred prime lecturers, researchers, and practitioners in a complete, approachable structure. the result's a succinct reference that unveils smooth, state-of-the-art ways to buying and figuring out facts in the course of the a number of phases of scientific trial layout and research.

    Volume 2

    Featuring newly-written fabric in addition to verified literature from the Wiley Encyclopedia of medical Trials, this publication presents a well timed and authoritative assessment of concepts for making plans medical trials in addition to the mandatory inferential equipment for reading amassed information.

    This finished quantity beneficial properties demonstrated and newly-written literature at the key statistical ideas and ideas for designing modern day scientific trials, equivalent to chance ratio, versatile designs, confounding, covariates, lacking information, and longitudinal information. Examples of ongoing, state-of-the-art medical trials from brand new learn reminiscent of early melanoma & center disorder, mom to baby human immunodeficiency virus transmission, women's overall healthiness initiative nutritional, and AIDS medical trials also are explored.

    Chapter 1 Chairman's starting comments (page 1): J. G. Danielli
    Chapter 2 Actuarial features of Human Lifespans (pages 2–20): B. Benjamin
    Chapter three Parental Age results on guy (pages 21–34): Eeva Jalavisto
    Chapter four reports at the toughness and Mortality of English Thoroughbred Horses (pages 35–56): A. Comfort
    Chapter five Lifespan of farm animals and Horses lower than quite a few weather conditions and the explanations for untimely Culling (pages 57–71): W. Hartwig
    Chapter 6 Onset of illness and the sturdiness of Rat and guy (pages 72–89): Henry S. Simms, Benjamin N. Berg and Dean F. Davies
    Chapter 7 Lifespans of Mammalian and fowl Populations in Nature (pages 90–105): F. Bourliere
    Chapter eight Arteriosclerosis in Birds (pages 106–114): S. Scheidegger
    Chapter nine Relation of Lifespan to mind Weight and bodyweight in Mammals (pages 115–141): George A. Sacher
    Chapter 10 A overview of the Lifespans and Mortality charges of Fish in Nature, and Their Relation to development and different Physiological features (pages 142–180): R. J. H. Beverton and S. J. Holt
    Chapter eleven Physiological alterations Accompanying growing old in Fishes (pages 181–211): Shelby D. Gerking
    Chapter 12 sturdiness of Fishes in Captivity, with distinct connection with these stored within the manhattan Aquarium (pages 212–230): Ross F. Nigkelli
    Chapter thirteen elements Influencing the Lifespan of Bees (pages 231–246): Anna Maurizio
    Chapter 14 The Biology of growing old in bugs (pages 247–268): Morris Rockstein
    Chapter 15 the speed of getting old in Drosophila Subobscura (pages 269–301): J. Maynard Smith
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  • Download E-books Naturalist's Big Bend: An Introduction to the Trees and Shrubs, Wildflowers, Cacti, Mammals, Birds, Reptiles and Amphibians, Fish, and Insects (Louise Lindsey Merrick Natural Environment (Paperback)) PDF

    In southwest Texas the place the Rio Grande arcs southward into Mexico lies enormous Bend nationwide Park, 708,221 acres of river floodplain, wilderness, grasslands, and majestic mountains, a richly different atmosphere that exist roughly because it did earlier than man’s arival. The wealth of the massive Bend is in its dramatic panorama, which supplies normal habitats ranging shape barren region to alpine, and its therefore striking number of plants and fauna.

    Intended as a organic creation to 1 of the nation’s impressive typical structures, Naturalist’s great Bend highlights the exact crops and animal of the area, equivalent to the century plant, which grows twenty-five to fifty-five years, blooms magnificently, and dies; candelilla, from which wax is made; prickly pear cactus; the javelina, North America’s in basic terms local pig; the colima warbler; the infrequent Texas lyre snake; the massive Bend gambusia fish; the tarantula; and the massive Bend quonker katydid.

    This entire box consultant, revised and enlarged in a brand new version, describes the area’s archaeology and background, and information the features and habitats of massive Bend’s bushes and shrubs, wildflowers, cacti, mammals, birds, reptiles and amphibians, fish, and invertebrates. It additionally outlines strolling and using excursions of the main most likely spots for sighting those vegetation and animals. an in depth bibliography is included.

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  • Download E-books The Big Book of Berenstain Bears Beginner Books (Beginner Books(R)) PDF

    the large publication of Berenstain Bears newbie Books is a major worth and comprises the whole, unabridged textual content and illustrations for The motorbike Lesson, The Bears' Picnic, The Bears' Vacation, Bears within the Night, The Berenstain Bears and the Spooky outdated Tree, and The Berenstain Bears and the lacking Dinosaur Bone all sure jointly in a single good, hardcover omnibus. excellent for birthdays and vacation trips, those are vintage, humorous, tales approximately relatives (albeit one coated in fur!) with undying, endure nation allure. Show description