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Author : James T. Harris
Publisher : Unknown
Page : 128 pages
File Size : 43,8 Mb
Release : 1979
Category : Electronic
ISBN : OCLC:987215546
Author : James T. Harris
Publisher : Unknown
Page : 276 pages
File Size : 48,9 Mb
Release : 1981
Category : Nature
ISBN : UCSC:32106007481739
Author : William A. Burnham,William G. Mattox
Publisher : Museum Tusculanum Press
Page : 32 pages
File Size : 46,5 Mb
Release : 1984
Category : Science
ISBN : 8763511622
A ten year study began in 1972 in West Greenland to investigate the breeding biology of the peregrine falcon. Data on nesting gyrfalcons were also collected. Thirty-four peregrine nesting sites were examined in the 6050 km2 inland study area near Søndre Strømfjord. Limited research also centered in Disko Bugt and Frederikshåb. Peregrines were found nesting predominantly on high, south-facing cliffs, which overlooked large areas. The mean minimum distance between peregrine eyries was 7.7 km for the inland area (1972 and 1973) and 55 km for the coast (1974). Approximately 60 percent of the inland nesting sites were occupied each year. A ten-year average production of 1.90 young per occupied site and 2.78 young per successful site was determined. Lapland longspurs, snow buntings, wheatears, and redpolls comprised 90 percent of the peregrines diet. Raven nests and prey availability may be the most significant factor affecting falcon density. Addled peregrine eggs, eggshell fragments, and peregrine prey species were collected. Whole eggs averaged 14.3 ppm wet weight (305 ppm lipid weight ) DDE, while eggshell measurements showed a 16 percent thinning compared with pre-1940 eggs from Greenland. Prey species carried low levels of DDE. The peregrine population appears to be at a near critical contamination level, and a small increase in DDE level could contribute to a population decline. No indication of a decline has been observed during the study, and the population appears stable. The project banded 185 peregrines, from which 8 recoveries occurred. The recoveries suggest peregrines migrate south to winter in South America.
Author : Andrew G. Gosler,Jeff A. Johnson,Ian Newton,William A. Burnham,Kurt K. Burnham
Publisher : Museum Tusculanum Press
Page : 114 pages
File Size : 49,5 Mb
Release : 2012-07-01
Category : Science
ISBN : 9788763539005
This book covers the discovery and history of the most northern breeding population of Peregrine Falcons in the world, near Thule Air Base in northwest Greenland (75.9–77.6° N). Although the region was explored by scientific expeditions as early as 1818, Peregrines were not documented in the area until the 1930s. By the early 1990s the population had become well established, with a warming climate enabling Peregrines from further south to expand their breeding range northward. Here Burnham and his co-authors present their comprehensive findings on the biology and ecology of this population based on thirteen years of research from 1993 to 2005.
Author : Patrick Stirling-Aird
Publisher : Bloomsbury Publishing
Page : 115 pages
File Size : 55,7 Mb
Release : 2015-02-26
Category : Nature
ISBN : 9781472918673
Reaching speeds in excess of 200 miles per hour, the Peregrine Falcon is famous as the world's fastest bird. However, its penchant for choosing inaccessible places to breed, feed and roost mean that few people are well acquainted with its habits and behaviour. This ebook offers a window into that rarely seen world, thanks to a combination of high quality images and beautifully written text, with chapters on subjects such as hunting, raising young and how populations around the world have rallied against the threat of extinction and are now prospering once again. The birds are further brought to life through a series of personal anecdotes from the author and photographers, which are woven into the text. The ebook is part of a series that also includes the titles Barn Owl and Kingfisher.
Author : Clayton M. White,Tom J. Cade,James H. Enderson
Publisher : Lynx Edicions
Page : 0 pages
File Size : 41,6 Mb
Release : 2013
Category : Birds
ISBN : 8496553922
"Perhaps beginning near the end of the Pleistocene, Peregrines began to acquire a vast cosmopolitan distribution, and set the stage for fascinating structural, behavioral, and population distinctions related to where they lived. Those divergences were driven by the various demands of landscapes as different as one can find on earth, including Greenland tundra, South Pacific islands, Utah arid scrublands, the cold wind-swept Aleutians, and warm, moist Indonesian forests. Modern Peregrines reveal that geographic isolation may befall even a creature renowned for great speed and mobility. Peregrine Falcons of the World brings together the lifetime experiences of the authors with this splendid falcon in the field and in museums, hundreds of personal accounts by Peregrine observers worldwide, a vast literature on this falcon which is surely among the best-studied birds, scores of superb photographic images so generously supplied, and the matchless art of Andrew Ellis. The goal is to provide a feel for how Peregrines have responded to their varied world, and to earmark the many gaps in what we know. Oddly, Peregrines have not colonized many places, where by any reckoning, they should be. In recent times, roughly twenty subspecies of Peregrines were described. The historical reasons for these designations, and our current analyses are provided here. Some populations are very distinct in form and color, but sometimes they geographically overlap and intergrades appear. Each subspecies account also describes distribution, hunting and nesting habitats, migration and wintering ranges, estimated population sizes, and conservation aspects. In the end, present day Peregrines appear in at least a score of populations experiencing different degrees of isolation and enjoying different rates of divergence. The challenge of understanding their relationships is sometimes made greater by almost complete lack of information or specimens from vast regions where neighboring subspecies apparently come together because no obvious barrier exists. But the Peregrine Falcon will never lack for serious aficionados. Field people around the world add to the growing literature almost weekly so that someday a more complete appreciation is inevitable." --Publisher's description.
Author : Eugene Potapov,Richard Sale
Publisher : A&C Black
Page : 304 pages
File Size : 53,5 Mb
Release : 2010-01-29
Category : Nature
ISBN : 9781408128183
WINNER OF THE WILDLIFE SOCIETY'S 'BEST SCIENCE BOOK 2006' AWARD This book is the first monograph on one of the most beautiful and admired birds in the world. The Gyrfalcon is the world's largest and most powerful falcon - a truly awe-inspiring bird which inhabits the ferociously inhospitable Arctic taiga, from Greenland and Iceland right across Siberia and northern Canada. Its plumage varies from a dark mottled grey to pure white - the white birds in particular are coveted by birders and falconers. Like other titles in the series, it covers all aspects of the species' biology, taxonomy, distribution, status and historical associations with mankind. The result is an exhaustively researched and enthrallingly readable biography of a spectacular bird, illustrated throughout with photographs and line drawings.
Author : James H. Enderson
Publisher : University of Texas Press
Page : 414 pages
File Size : 52,8 Mb
Release : 2013-08-26
Category : Nature
ISBN : 9780292756212
A superb success as a bird, combining great speed, aeronautical grace, and fearlessness...inhabitant of wild places, inaccessible cliffs, and skyscrapers...worldwide dweller, trans-equatorial migrant, and docile captive—the peregrine falcon stands alone among all others of its kind. Perhaps this is why so many varied people rushed to its aid when it faced decimation by pesticide poisoning. In this personal and highly entertaining memoir, Jim Enderson tells stories of a lifetime spent studying, training, breeding, and simply enjoying peregrine falcons. He recalls how his boyhood interest in raptors grew into an ornithological career in which he became one of the leading experts who helped identity DDT as the cause of the peregrine falcon's sudden and massive decline across the United States. His stories reveal both the dedication that he and fellow researchers brought to the task of studying and restoring the peregrine and the hair-raising adventures that sometimes befell them along the way. Enderson also seamlessly weaves in the biology and natural history of the peregrine, as well as anecdotes about its traditional and widespread use in falconry as an aggressive yet tractable hunter, to offer a broad portrait of this splendid and intriguing falcon.
Author : Derek Ratcliffe
Publisher : A&C Black
Page : 494 pages
File Size : 49,5 Mb
Release : 2010-06-30
Category : Nature
ISBN : 9781408136836
The first edition of The Peregrine Falcon was widely recognised as a classic of its kind, documenting not only the species' biology but also the sad tale of its decline due to the impact of pesticides. This extensively revised and enlarged second edition takes full account of important new developments in the story of this bird during the intervening 12 years. It reports one of the few notable successes in wildlife conservation: the full restoration of British and Irish Peregrine populations, and their appreciable recovery in other countries where numbers had also been greatly reduced by the impact of organochlorine pesticides. The pattern of increase in Britain has been extremely varied, from districts where numbers are now far higher than at any time in recorded history, to others where the bird is now at its lowest ebb. The examination of the reasons for these differences helps us to understand the most recent developments in the Peregrine saga. Particular attention has been paid to the recent major advances in our knowledge of Peregrine biology, such as its movements, population turnover, food and nesting habits. Many of the tables and figures have been revised and brought up to date so that this volume, like its predecessor, is once again by far the most detailed and readable reference on this most evocative of birds. Donald Watson's colour paintings, monochrome washes and line drawings, and the original photographs, illustrate the book as before. Cover illustration by Donald Watson.
Author : Robin S. Oggins
Publisher : Yale University Press
Page : 294 pages
File Size : 55,5 Mb
Release : 2004-01-01
Category : History
ISBN : 0300100582
Perhaps the equivalent of polo-playing today, the sport of falconry was the preserve of the wealthy and royalty, regarded as both a suitable and enjoyable leisure activity, and as a source of status and prestige.
Author : Norman Arlott
Publisher : Collins Publishers
Page : 240 pages
File Size : 47,5 Mb
Release : 2011
Category : Birds
ISBN : 0007293348
A comprehensive illustrated field guide to the birds of North America, ideal for the travelling birdwatcher. Each species found in the area is illustrated in every plumage in which they can be seen in the wild. The text concentrates on the characteristics and appearance of each species, which aids identification in the field.
Author : Tom J. Cade,William A. Burnham,Pat Burnham
Publisher : Unknown
Page : 408 pages
File Size : 53,9 Mb
Release : 2003
Category : Nature
ISBN : STANFORD:36105114348704
The book is intended for a non-scientific audience but does contain previously unpublished information, tables, and graphs plus an extensive literature cited section and a bibliography for Eastern and Midwestern Peregrine restoration publications from 1971-2000.
Author : Anonim
Publisher : Unknown
Page : 1826 pages
File Size : 40,5 Mb
Release : 1975
Category : Administrative law
ISBN : UCAL:$C5071
Author : Francis Henry Salvin,William Brodrick
Publisher : Unknown
Page : 260 pages
File Size : 53,5 Mb
Release : 1855
Category : Falconry
ISBN : NLS:V000666255
Author : Ilannguaq Jensen
Publisher : Ilannguaq Jensen
Page : 28 pages
File Size : 46,9 Mb
Release : 2018-03-29
Category : Travel
ISBN : 9788740446364
Learn about Greenland, the largest island in the world. As a person from Greenland, I have always been fascinated by the questions about Greenland, With this ebook, you will read more than 100 information about Greenland and it's population, the origin of the Inuit people that thrive in Greenland for many years. Read about the inventions that you might not know were originated in Greenland. Learn about the Inuit people and learn about the largest island in the world.