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Author : David Kazyak
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (129 download)
Download or read book Red Knot (Calidris Canutus) Research written by David Kazyak and published by . This book was released on 2020 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9781902576572
Total Pages : 39 pages
Book Rating : 4.5/5 (765 download)
Download or read book Red Knots Calidris Canutus in Delaware Bay 2002 written by and published by . This book was released on 2003 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Phillip Hoose
Publisher : Farrar, Straus and Giroux (BYR)
ISBN 13 : 146686706X
Total Pages : 160 pages
Book Rating : 4.4/5 (668 download)
Download or read book Moonbird written by Phillip Hoose and published by Farrar, Straus and Giroux (BYR). This book was released on 2014-03-25 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: B95 can feel it: a stirring in his bones and feathers. It's time. Today is the day he will once again cast himself into the air, spiral upward into the clouds, and bank into the wind. He wears a black band on his lower right leg and an orange flag on his upper left, bearing the laser inscription B95. Scientists call him the Moonbird because, in the course of his astoundingly long lifetime, this gritty, four-ounce marathoner has flown the distance to the moon—and halfway back! B95 is a robin-sized shorebird, a red knot of the subspecies rufa. Each February he joins a flock that lifts off from Tierra del Fuego, headed for breeding grounds in the Canadian Arctic, nine thousand miles away. Late in the summer, he begins the return journey. B95 can fly for days without eating or sleeping, but eventually he must descend to refuel and rest. However, recent changes at ancient refueling stations along his migratory circuit—changes caused mostly by human activity—have reduced the food available and made it harder for the birds to reach. And so, since 1995, when B95 was first captured and banded, the worldwide rufa population has collapsed by nearly 80 percent. Most perish somewhere along the great hemispheric circuit, but the Moonbird wings on. He has been seen as recently as November 2011, which makes him nearly twenty years old. Shaking their heads, scientists ask themselves: How can this one bird make it year after year when so many others fall? National Book Award–winning author Phillip Hoose takes us around the hemisphere with the world's most celebrated shorebird, showing the obstacles rufa red knots face, introducing a worldwide team of scientists and conservationists trying to save them, and offering insights about what we can do to help shorebirds before it's too late. With inspiring prose, thorough research, and stirring images, Hoose explores the tragedy of extinction through the triumph of a single bird. Moonbird is one The Washington Post's Best Kids Books of 2012. A Common Core Title.
Author : Philip W. Atkinson
Publisher :
ISBN 13 : 9781904870357
Total Pages : 17 pages
Book Rating : 4.8/5 (73 download)
Download or read book A Preliminary Analysis of the Survival Rates of Red Knots Calidris Canutus Rufa Passing Through the State of Delaware 1997-2001 written by Philip W. Atkinson and published by . This book was released on 2002 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Essential to the management of any wild bird population is an understanding of the relationship of the organism with its environment and particularly the processes that affect the demographics of the species.
Author :
Publisher :
ISBN 13 : 9780943610832
Total Pages : 185 pages
Book Rating : 4.6/5 (18 download)
Download or read book Status of the Red Knot (Calidris Canutus Rufa) in the Western Hemisphere written by and published by . This book was released on 2008 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9780943610832
Total Pages : 185 pages
Book Rating : 4.6/5 (18 download)
Download or read book Status of the Red Knot (Calidris Canutus Rufa) in the Western Hemisphere written by and published by . This book was released on 1978 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Harrington
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (48 download)
Download or read book Red Knot written by Brian Harrington and published by . This book was released on 2001 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nigel A. Clark
Publisher :
ISBN 13 : 9781908581112
Total Pages : 23 pages
Book Rating : 4.5/5 (811 download)
Download or read book The Migration of Red Knots Calidris Canutus Rufa and Turnstone Arenaria Interpres Passing Through Delaware Bay in 2003 written by Nigel A. Clark and published by . This book was released on 2004 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Deborah Cramer
Publisher : Yale University Press
ISBN 13 : 0300213719
Total Pages : 304 pages
Book Rating : 4.3/5 (2 download)
Download or read book The Narrow Edge written by Deborah Cramer and published by Yale University Press. This book was released on 2015-04-28 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thousands of ravenous tiny shorebirds race along the water’s edge of Delaware Bay, feasting on pin-sized horseshoe-crab eggs. Fueled by millions of eggs, the migrating red knots fly on. When they arrive at last in their arctic breeding grounds, they will have completed a near-miraculous 9,000-mile journey that began in Tierra del Fuego. Deborah Cramer followed these knots, whose numbers have declined by 75 percent, on their extraordinary odyssey from one end of the earth to the other—from an isolated beach at the tip of South America all the way to the icy tundra. In her firsthand account, she explores how diminishing a single stopover can compromise the birds' entire journey, and how the loss of horseshoe crabs—ancient animals that come ashore but once a year—threatens not only the survival of red knots but also human well-being: the unparalleled ability of horseshoe-crab blood to detect harmful bacteria in vaccines, medical devices, and intravenous drugs safeguards human health. Cramer offers unique insight into how, on an increasingly fragile and congested shore, the lives of red knots, horseshoe crabs, and humans are intertwined. She eloquently portrays the tenacity of small birds and the courage of many people who, bird by bird and beach by beach, keep red knots flying.
Author : Brian Harrington
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (48 download)
Download or read book Red Knot written by Brian Harrington and published by . This book was released on 2001 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Engelmoer
Publisher : Springer Science & Business Media
ISBN 13 : 9401150168
Total Pages : 330 pages
Book Rating : 4.4/5 (11 download)
Download or read book Geographical Variation in Waders written by M. Engelmoer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphometrical differentiation 63 Prediction of breeding origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Body mass 69 Primary moult 69 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 The taxonomy of the Eurasian Golden Plover 69 The existence of a partial breast-feather moult during breeding 69 Morphometrical differentiation between both sexes . . . . . . . . . . . . . . . . . . . . . . . . 70 The occurrence of primary moult on the breeding grounds 70 Summary 70 6 Grey Plover - Pluvialis squatarola 71 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Morphometrical differentiation 77 Prediction of breeding origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Accuracy 81 Exclusivity 81 Contact zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Body mass 85 Primary moult 85 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 The taxonomy of the Grey Plover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Small size at northern latitudes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Morphometrical variation in the Palearctic 87 Summary 87 7 Red Knot - Calidris canutus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Morphometrical differentiation 93 Prediction of breeding origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Accuracy 99 Exclusivity 101 Contact zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Body mass 102 Primary moult 103 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 of the Knot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 The taxonomy Is the knot breeding in Yakutia? 106 Different degrees of geographical variation in the d'd' and !f!f 106 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 8 Sanderling - Calidris alba 109 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Morphometrical differentiation 111 Prediction of breeding origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Accuracy 116 Exclusivity 118 Contact zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Body mass 118 Primary moult 118 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 The taxonomy of the Sanderling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Sexing Sanderlings 119 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 VI 9 Curlew Sandpiper - Calidris ferruginea 121 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 Morphometrical differentiation 123 Prediction of a bird's sex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Accuracy 127 Exclusivity 127 Body mass 127 Primary moult 127 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 The taxonomy of the Curlew Sandpiper 127 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Author : Robert A. Robison
Publisher :
ISBN 13 : 9781902576527
Total Pages : 51 pages
Book Rating : 4.5/5 (765 download)
Download or read book Arrival and Weight Gain of Red Knots Calidris Canutus, Ruddy Turnstone Arenaria Interpres and Sanderling Calidris Alba Staging in Delaware Bay in Spring written by Robert A. Robison and published by . This book was released on 2003 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey S. Marks
Publisher :
ISBN 13 : 9780931130199
Total Pages : 0 pages
Book Rating : 4.1/5 (31 download)
Download or read book Birds of Montana written by Jeffrey S. Marks and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A definitive account of the Montana's birds covering historical aspects, conservation status, relative abundance, and ecology of all species known to occur in the state.
Author : Jordan O. Hampton
Publisher : CSIRO PUBLISHING
ISBN 13 : 1486313469
Total Pages : 1312 pages
Book Rating : 4.4/5 (863 download)
Download or read book Wildlife Research in Australia written by Jordan O. Hampton and published by CSIRO PUBLISHING. This book was released on 2022-07-01 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wildlife Research in Australia: Practical and Applied Methods is a guide to conducting wildlife research in Australia. It provides advice on working through applications to animal ethics committees, presents general operating procedures for a range of wildlife research methods, and details animal welfare considerations for all Australian taxa. Compiled by over 200 researchers with extensive experience in field-based wildlife research, teaching and animal ethics administration, this comprehensive book supports best practice research methods and helps readers navigate the institutional animal care approval process. Wildlife Research in Australia will help foster a national approach to wildlife research methods, and is an invaluable tool for researchers, teachers, students, animal ethics committee members and organisations participating in wildlife research and other activities with wildlife.
Author : Hans Meltofte
Publisher : Museum Tusculanum Press
ISBN 13 : 9788763512794
Total Pages : 52 pages
Book Rating : 4.5/5 (127 download)
Download or read book Effects of Climate Variation on the Breeding Ecology of Arctic Shorebirds written by Hans Meltofte and published by Museum Tusculanum Press. This book was released on 2007 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: About 50 species of shorebirds breed in the Arctic, where they constitute the most characteristic component of the tundra avifauna. Here, we review the impact of weather and climate on the breeding cycle of shorebirds based on extensive studies conducted across the Arctic. Conditions for breeding shorebirds are highly variable among species, sites and regions, both within and between continents. Weather effects on breeding are most moderate in the Low Arctic of northern Europe and most extreme in the Siberian High Arctic. The decision of whether or not to breed upon arrival on the breeding grounds, the timing of egg-laying and the chick-growth period are most affected by annual variation in weather. In large parts of the Arctic, clutch initiation dates are highly correlated with snowmelt dates and in regions and years where extensive snowmelt occurs before or soon after the arrival of shorebirds, the decision to breed and on the breeding ecology of clutch initiation dates appear to be a function of food availability for laying females. Once incubation is initiated, adult shorebirds appear fairly resilient to variations in temperature with nest abandonment primarily occurring in case of severe weather with new snow covering the ground. Feeding conditions for chicks, a factor highly influenced by weather, affects juvenile production in most regions. Predation has a very strong impact on breeding productivity throughout the Arctic and subarctic, with lemming Dicrostonyx spp. and Lemmus spp. fluctuations strongly influencing predation rates, particularly in the Siberian Arctic. The fate of Arctic shorebirds under projected future climate scenarios is uncertain, but High Arctic species and populations appear particularly at risk. Climatic amelioration may benefit Arctic shorebirds in the short term by increasing both survival and productivity, whereas in the long term habitat changes both on the breeding grounds and on the temperate and tropical non-breeding areas may put them under considerable pressure and may bring some of them near to extinction. Their relatively low genetic diversity, which is thought to be a consequence of survival through past climatically-driven population bottlenecks, may also put them more at risk to anthropogenic-induced climate variation than other avian taxa.
Author : Theunis Piersma
Publisher : Oxford University Press
ISBN 13 : 0199233721
Total Pages : 249 pages
Book Rating : 4.1/5 (992 download)
Download or read book The Flexible Phenotype written by Theunis Piersma and published by Oxford University Press. This book was released on 2011 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: In essence, the authors argue for the existence of direct, measurable, links between phenotype and ecology.
Author :
Publisher : ScholarlyEditions
ISBN 13 : 1464920591
Total Pages : 2793 pages
Book Rating : 4.4/5 (649 download)
Download or read book Cells: Advances in Research and Application: 2011 Edition written by and published by ScholarlyEditions. This book was released on 2012-01-09 with total page 2793 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cells: Advances in Research and Application: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Cells. The editors have built Cells: Advances in Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Cells in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Cells: Advances in Research and Application: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
