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Author : May Thacher Cooke
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (31 download)
Download or read book Flight Speed of Birds written by May Thacher Cooke and published by . This book was released on 1937 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : May Thacher Cooke
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (631 download)
Download or read book Flight Speed of Birds written by May Thacher Cooke and published by . This book was released on 1937 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Helen Macdonald
Publisher : Grove Press
ISBN 13 : 0802146694
Total Pages : 282 pages
Book Rating : 4.8/5 (21 download)
Download or read book Vesper Flights written by Helen Macdonald and published by Grove Press. This book was released on 2020-08-25 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: The New York Times–bestselling author of H is for Hawk explores the human relationship to the natural world in this “dazzling” essay collection (Wall Street Journal). In Vesper Flights, Helen Macdonald brings together a collection of her best loved essays, along with new pieces on topics ranging from nostalgia for a vanishing countryside to the tribulations of farming ostriches to her own private vespers while trying to fall asleep. Meditating on notions of captivity and freedom, immigration and flight, Helen invites us into her most intimate experiences: observing the massive migration of songbirds from the top of the Empire State Building, watching tens of thousands of cranes in Hungary, seeking the last golden orioles in Suffolk’s poplar forests. She writes with heart-tugging clarity about wild boar, swifts, mushroom hunting, migraines, the strangeness of birds’ nests, and the unexpected guidance and comfort we find when watching wildlife.
Download or read book Flight Speed of Birds written by and published by . This book was released on 1937 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John K. Terres
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.E/5 ( download)
Download or read book How Birds Fly written by John K. Terres and published by . This book was released on 1975 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Goodnow
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (321 download)
Download or read book How Birds Fly written by David Goodnow and published by . This book was released on 1992 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: How Birds Fly is a captivating, non-technical introduction to bird flight. The book reveals the mysteries of flapping flight with sequences of high-speed photographs that lead step-by-step through fine points of take-off, level flight and slow flight.
Author :
Publisher : Firefly Books
ISBN 13 : 9780228103332
Total Pages : 320 pages
Book Rating : 4.1/5 (33 download)
Download or read book 100 Flying Birds written by and published by Firefly Books. This book was released on 2021-09-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Flight is the essence of birdness. I strive to illustrate the beauty and complexity of avian flight." -- Peter Cavanagh 100 Flying Birds: Photographing the Mechanics of Flight offers a vivid and varied glimpse into the world of birds. A white-tailed eagle plummeting through a Japanese sky, a brown pelican striking a silhouette against an Ecuadorian sunset, an Atlantic puffin carrying its fish dinner above the Scottish coast, or a keel-billed toucan gliding through a Costa Rican jungle canopy; readers will marvel at the splendor of birds in flight while learning the techniques to capture these gravity-defying moments from a world-class nature photographer. For each picture, author and photographer Peter Cavanagh shares his most evocative thoughts: the challenges of the shoot, the beauty of the location, and the curiosities of the species. Bird people will enjoy the bird photographs and facts, travelers will gobble up the tales of distant parts, and photographers will absorb the technical details. For instance, readers might be surprised to see that a very slow shutter speed can freeze the motion of hummingbird wings. Peter Cavanagh has collected 100 beautiful photos spanning a wide range of species. The subjects of each of the 11 chapters are: Eagles Hummingbirds Gulls and Terns Small Waterbirds Large Waterbirds Ducks, Geese and Swans Raptors Condors and Corvids Cranes Songbirds Favorites
Author : John K. Terres
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (318 download)
Download or read book Flashing Wings written by John K. Terres and published by . This book was released on 1968 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: John K. Terres is a former editor of Audubon Magazine. This book, based on observations of a field naturalist and the research of an ornithologist, is a detailed account of birds in flight, pointing out their beauty and natural grace as well as the technical and engineering aspects of flight. --Amazon.com.
Author : Otto Lilienthal
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.3/5 (91 download)
Download or read book Birdflight as the Basis of Aviation written by Otto Lilienthal and published by . This book was released on 1911 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard Williams
Publisher : Macmillan
ISBN 13 : 086547897X
Total Pages : 393 pages
Book Rating : 4.8/5 (654 download)
Download or read book The Animator's Survival Kit written by Richard Williams and published by Macmillan. This book was released on 2012-09-25 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A manual of methods, principles and formulas for classical, computer, games, stop motion and internet animators"--Cover.
Author : Georg Rüppell
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.3/5 (97 download)
Download or read book Bird Flight written by Georg Rüppell and published by . This book was released on 1977 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C.J. Pennycuick
Publisher : Elsevier
ISBN 13 : 0080557813
Total Pages : 495 pages
Book Rating : 4.0/5 (85 download)
Download or read book Modelling the Flying Bird written by C.J. Pennycuick and published by Elsevier. This book was released on 2008-08-23 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book outlines the principles of flight, of birds in particular. It describes a way of simplifying the mechanics of flight into a practical computer program, which will predict in some detail what any bird, real or hypothetical, can and cannot do. The Flight program, presented on the companion website, generates performance curves for flapping and gliding flight, and simulations of long-distance migration and accounts successfully for the consumption of muscles and other tissues during migratory flights. The program is effectively a working model of a flying bird (or bat or pterosaur) and is the skeleton around which the book is built. The book provides a wider background and then explains how Flight works and shows how to set up and test hypotheses generated by the program.The book and the program are based on adapting the conventional (and well-tested) thinking of aeronautical engineers to the biological problems of bird flight. Their primary aim is to convince biologists that this is the appropriate way to handle problems that involve flight, to make the engineering background accessible to biologists, and to provide a tool kit in the shape of the Flight program, which they can use to solve practical problems involving bird flight and migration. In addition, the book will be readily accessible to engineers who want to know how birds work, and should be of interest to the ever-growing community working on flapping "micro air vehicles" (MAVs). The program can be used to predict the flight performance and capabilities of reconstructed fossil birds and pterosaurs, flying in ancient atmospheres that differ from present conditions, and also, of course, to predict and account for the results of experiments and observations on living birds and bats. * An up to date work by the world's leading expert on bird flight* Examines the biology and biomechanics of bird flight with added reference to the flight of bats and pterosaurs.* Uses proven aeronautical principles to help solve biological issues in understanding and predicting the flight capabilities of birds and other vertebrates.* Provides insights into the evolution of flight and the likely capabilities of extinct birds and reptiles.* Gives a detailed explanation of the science behind, and use of, the author's predictive bird flight simulation program - Flight - which is available on a companion website.* Presents often difficult concepts in easily understood language.
Author : Peter Berthold
Publisher : Springer Science & Business Media
ISBN 13 : 3662059576
Total Pages : 601 pages
Book Rating : 4.6/5 (62 download)
Download or read book Avian Migration written by Peter Berthold and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: P. Berthold and E. Gwinnd Bird migration is an intriguing aspect of the living world - so much so that it has been investigated for as long, and as thoroughly, as almost any other natural phenomenon. Aristotle, who can count as the founder of scientific ornithology, paid very close attention to the migrations of the birds he ob served, but it was not until the reign of Friedrich II, in the first half of the 13th century, that reliable data began to be obtained. From then on, the data base grew rapidly. Systematic studies of bird migration were introduced when the Vogelwarte Rossitten was founded, as the first ornithological biological observation station in the world (see first chapter "In Memory of Vogelwarte Rossitten"). This area later received enormous impetus when ex perimental research on the subject was begun: the large-scale bird-ringing experiment initiated in Rossitten in 1903 by Johannes Thienemann (who was inspired by the pioneering studies of C. C. M. Mortensen), the experiments on photoperiodicity carried out by William Rowan in the 1920s in Canada and retention and release experiments performed by Thienemann in the 1930s in Rossitten, the first experimental study on the orientation of migratory birds. After the Second World War, migration research, while continuing in the previous areas, also expanded into new directions such as radar ornithology, ecophysiology and hormonal control mechanisms, studies of evolution, ge netics, telemetry and others.
Author : Florian Reurink
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Using the Optimal Flight Speed Theory to Predict Net Energy Intake Rate from Flight Speed of Birds written by Florian Reurink and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Birds adjust flight speed according to their circumstances, and as such avian flight is a behavioural attribute rich with ecological implications. Flight mechanical theory enables the power expenditure of flight to be reliably estimated and was incorporated into foraging theory to predict the flight speed of foragers in a patchy habitat. The basic prediction is that at the net energy intake rate maximizing flight speed, the marginal cost of a further increase in flight speed matches the net rate of intake. This equality could theoretically be used in reverse, providing a relatively simple method to estimate the net energy intake rate. This could be useful for habitat quality assessments and conservation planning because intake rate estimates are otherwise often time-consuming, labor-intensive, and difficult. In this thesis I measured the flight speed of foragers in two natural foraging scenarios, and in an experiment in which I manipulated the attainable rate of energy intake. I demonstrate step-by-step how to predict net energy intake rate from flight speed including corrections for wind, flight distance (i.e., inter-patch distance) and flock size, all of which affect the power requirements of flight. The data support the theoretical predictions of the effects of wind and flight distance, as well as the effect of flock size (though interpretation of the latter remains uncertain because another published model makes reverse predictions). The data give limited support for the prediction that foragers adjust flight speed in relation to habitat foraging quality. Dunlin (Calidris alpina) flight speed slowed as predicted in the course of the winter on one mudflat, but not on another. As predicted, migrant western sandpipers (Calidris mauri) fly faster on small than on large mudflats, but the differences are slight and flight speed appears slow relative to predictions. Steller's jays (Cyanocitta cristatus) did not fly faster between patches in response to a manipulation of patch quality. Overall, about half of the flight speeds I measured were at maximum range speed or slower. I suggest that this might be explained if foragers were maximizing not the intake rate but the foraging gain ratio.
Author : Pablo Triana
Publisher : John Wiley & Sons
ISBN 13 : 0470406755
Total Pages : 405 pages
Book Rating : 4.4/5 (74 download)
Download or read book Lecturing Birds on Flying written by Pablo Triana and published by John Wiley & Sons. This book was released on 2009-06-09 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: LECTURING BIRDS ON FLYING For the past few decades, the financial world has often displayed an unreasonable willingness to believe that "the model is right, the market is wrong," in spite of the fact that these theoretical machinations were largely responsible for the stock market crash of 1987, the LTCM crisis of 1998, the credit crisis of 2008, and many other blow-ups, large and small. Why have both financial insiders (traders, risk managers, executives) and outsiders (academics, journalists, regulators, the public) consistently demonstrated a willingness to treat quantifications as gospel? Nassim Taleb first addressed the conflicts between theoretical and real finance in his technical treatise on options, Dynamic Hedging. Now, in Lecturing Birds on Flying, Pablo Triana offers a powerful indictment on the trustworthiness of financial theory, explaining—in jargon-free plain English—how malfunctions in these quantitative machines have wreaked havoc in our real world. Triana first analyzes the fundamental question of whether financial markets can in principle really be solved mathematically. He shows that the markets indeed cannot be tamed with equations, presenting a long and powerful list of obstacles to prove his point: maverick unlawful human actions rule the markets, unexpected and unimaginable events shape the markets, and historical data is not necessarily a trustworthy guide to the future of the markets. The author then examines the sources of origin of many prevalent theories and mathematical dictums. He details how the field of financial economics evolved from a descriptive discipline to an abstract one dedicated to technically concocting professors' own versions of how such a world should work. He goes on to explain how Wall Street and other financial centers became eager employers of scientists, and how scientists became eager employees of financial firms. Triana concludes with an in-depth discussion of the most significant historical episodes of theory-caused real-life market malaise, with a strong emphasis on the current credit crisis. In the end, Lecturing Birds on Flying calls for the radical substitution of good old-fashioned common sense in place of mathematical decision-making and the restoration to financial power of those who are completely unchained to the iron ball of classroom-obtained qualifications.
Author : David Urry
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.E/5 ( download)
Download or read book Flying Birds written by David Urry and published by . This book was released on 1970 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Markus Varesvuo
Publisher : Rocky Nook, Inc.
ISBN 13 : 1457179601
Total Pages : 1253 pages
Book Rating : 4.4/5 (571 download)
Download or read book The Handbook of Bird Photography written by Markus Varesvuo and published by Rocky Nook, Inc.. This book was released on 2013-04-16 with total page 1253 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Bird Photography distills the knowledge, talent, and experience of three well-known professional wildlife photographers into one beautifully illustrated volume. Written in a manner that is easy to understand, this book offers fresh insight and practical tips that will broaden horizons for nature and bird photographers. The authors share their stories showcasing photographs for which they have received awards in major international wildlife photo competitions. In this book, you'll learn about all of the elements that lead to a great bird photograph, including: The bird photographer's equipment Shooting techniques: exposure, focus, how to show movement and freeze action, etc. In the field: bird behavior, hides, and how to attract birds How to use light and compose and crop images The best sites for finding and photographing birds You'll also learn how to show, share, promote, and sell your photographs. Bird photography is a brilliant way to spend your free time, and for some it's a career. This book helps beginners get the hang of things quickly and accurately, and offers field-specific expertise for more experienced photographers.
