The Skuas
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The Skuas
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Author : Robert W. Furness
language : en
Publisher: A&C Black
Release Date : 2010-10-30
The Skuas written by Robert W. Furness and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-30 with Nature categories.
A comprehensive monograph of the skua. Many birdwatchers may never have seen a skua; those who have will most probably have vivid memories of one or other species flying powerfully past a headland, or twisting and diving in pursuit of its piratical intentions towards a food-laden seabird - or, perhaps more memorably still, of themselves taking evasive action from the power-diving irate skua whose territory they have unwisely invaded. The full classification of the skuas is still debated, but Dr Furness of the Applied Ornithology Unit, Glasgow University, favours six species, of two genera, with five subspecies, based on current knowledge and his own long and dedicated field studies and research. All of the species are treated comparatively under the following chapter titles: Early history and classification, Distributions and populations, Migration patterns, Reversed sexual size dimorphism, Behaviour, Food and feeding, Kleptoparasitism, Plumage polymorphism, Breeding systems and social organisation, Breeding - laying to hatching, Breeding - hatching to fledging, Population dynamics, Pollutants, Skuas and agriculture, Skuas and conservation. The text is supported by 100 maps and diagrams, 30 photographs and 65 tables. In addition, John Busby contributes 35 evocative drawings which more than embellish this erudite and readable summary of an impressive and diverse group of birds. Jacket paintings by John Busby.
Skuas And Jaegers
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Author : Klaus Malling Olsen
language : en
Publisher: A&C Black
Release Date : 2013-09-05
Skuas And Jaegers written by Klaus Malling Olsen and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-05 with Nature categories.
Skuas (and jaegers) are a fascinating and popular group of seabirds that make up a subfamily of just seven species. They can be divided into two main groups: the larger species of Catharacta skuas which are mainly found in the southern hemisphere (with Great Skua breeding in the north), and the three Stercorarius species (also known as jaegers) which breed in the northern hemisphere. Both northern and southern skuas breed at high latitudes and several species are long-distance migrants, performing spectacular migrations through most of the world's oceans, sometimes even flying overland. The individual plumage variation in some species is enormous, creating one of the most puzzling yet fascinating challenges in modern field identification. This is the first complete identification guide to the skuas of the world. It is designed to enable species identification and correct ageing, and the information presented is based on years of study in the field, detailed examination of photographs and museum skins, and extensive research of the relevant literature. The comprehensive text is accompanied by twelve exquisite colour plates by Hans Larsson, illustrating a wide range of plumages. In addition, there are eight pages of colour photographs and numerous black and white photographs and drawings that show key identification features. With this book, the seabird enthusiast should at last be able to identify almost every skua encountered, whether on a seawatch or at sea.
Theskuas
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Author : Robert W. Furness
language : en
Publisher: A&C Black
Release Date : 2010-10-30
Theskuas written by Robert W. Furness and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-30 with Nature categories.
Many birdwatchers may never have seen a skua; those who have will most probably have vivid memories of one or other species flying powerfully past a headland, or twisting and diving in pursuit of its piratical intentions towards a food-laden seabird - or, perhaps more memorably still, of themselves taking evasive action from the power-diving irate skua whose territory they have unwisely invaded. The full classification of the skuas is still debated, but Dr Furness of the Applied Ornithology Unit, Glasgow University, favours six species, of two genera, with five subspecies, based on current knowledge and his own long and dedicated field studies and research. All of the species are treated comparatively under the following chapter titles: Early history and classification, Distributions and populations, Migration patterns, Reversed sexual size dimorphism, Behaviour, Food and feeding, Kleptoparasitism, Plumage polymorphism, Breeding systems and social organisation, Breeding - laying to hatching, Breeding - hatching to fledging, Population dynamics, Pollutants, Skuas and agriculture, Skuas and conservation. The text is supported by 100 maps and diagrams, 30 photographs and 65 tables. In addition, John Busby contributes 35 evocative drawings which more than embellish this erudite and readable summary of an impressive and diverse group of birds. Jacket paintings by John Busby
Skuas And Jaegers
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Author : Klaus Malling Olsen
language : en
Publisher:
Release Date : 1997
Skuas And Jaegers written by Klaus Malling Olsen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Nature categories.
Skuas (and jaegers) are a fascinating and popular group of seabirds that make up a subfamily of just seven species. The individual plumage variation in some species is enormous, creating one of the most fascinating challenges in modern field identification. This is the first complete identification guide to the skuas of the world. It is designed to enable species identification and correct aging, and the information presented is based on years of study in the field, detailed examination of photographs and museum skins, and extensive research of the relevant literature. The comprehensive text is accompanied by twelve exquisite color plates by Hans Larsson, illustrating a wide range of plumages. In addition, there are eight pages of color photographs and numerous black and white photographs and drawings that show key identification features. With this book, the seabird enthusiast should at last be able to identify almost every skua encountered, whether on shore or at sea.
Skua
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Author : Peter C. Smith
language : en
Publisher: Casemate Publishers
Release Date : 2007-03-28
Skua written by Peter C. Smith and has been published by Casemate Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-03-28 with History categories.
The Blackburn Skua was the first monoplane to be designed and built for the Royal Navy in the 1930s. As a result of continued debate, it became a compromise between the Navys desire for a carrier-based dive-bomber and RAFs preference for a fighter. Despite being the first to shoot down a Luftwaffe aircraft in World War II, early operations in Norway found the type woefully inadequate as a fighter.As a dive-bomber, the Royal Navy put the design to good use from the outset of WWII. It was involved with the hunt for the Graff Spee, sunk the major warship Koln, suffered with great loss in an attack on the Scharnhorst, helped to keep the German advance at bay during the Dunkirk evacuation and attacked the French rogue battleship Richelieu in the Mediterranean.This book relates how the final design was created, how the dive-bombing technique was developed and perfected by naval pilots and traces the wartime operational career of the type with many first-hand accounts.
On The Skuas Particularly With Reference To The Recent Occurrence Of The Pomatorhine Skua Stercorarius Pomatorhinus On The Coasts Of Scotland
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Author : J. J. Dalgleish
language : en
Publisher:
Release Date : 1881
On The Skuas Particularly With Reference To The Recent Occurrence Of The Pomatorhine Skua Stercorarius Pomatorhinus On The Coasts Of Scotland written by J. J. Dalgleish and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1881 with categories.
The Behavior Of Penguins
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Author : Dietland Müller-Schwarze
language : en
Publisher: SUNY Press
Release Date : 1984-01-01
The Behavior Of Penguins written by Dietland Müller-Schwarze and has been published by SUNY Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-01-01 with Nature categories.
"Strange geese." That was their description when they were discovered in 1520 during Magellan's historic voyage. Today, penguins are familiar to everyone, yet few researchers have observed them in the remote regions in which they live. Written by an ecologist-behaviorist who has worked extensively in the natural penguin habitat, The Behavior of Penguins is the first general work on the entire family of penguins. Numerous and remarkable field photographs document the author's detailed study of the life cycles and breeding patterns of each penguin species. He brings to light their unusual abilities to go with little food for months, to dive deep in the ocean, and to protect themselves in extreme environments. Müller-Schwarze's comprehensive and fascinating account of penguins also emphasizes the urgent need to protect these birds and their natural habitat.
Skua Seabirds Eat Vomit
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Author : Miriam Coleman
language : en
Publisher: The Rosen Publishing Group, Inc
Release Date : 1900-01-01
Skua Seabirds Eat Vomit written by Miriam Coleman and has been published by The Rosen Publishing Group, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 1900-01-01 with Juvenile Nonfiction categories.
You may not believe it, but skuas are truly some of the most disgusting creatures on the planet. Not only do these birds eat baby penguins and rotting flesh, but they harass other birds until they throw up in fear. Then they eat the vomit. Pretty disgusting! Skuas prefer to steal their meals from other birds, but they are not above attacking and killing animals if they have to. As bird bullies, skuas are big and powerful and can spend years at sea. Readers will be thrilled to learn more about these animals and their gross eating habits.
Fraser S Penguins
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Author : Fen Montaigne
language : en
Publisher: Henry Holt and Company
Release Date : 2010-11-09
Fraser S Penguins written by Fen Montaigne and has been published by Henry Holt and Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-09 with Nature categories.
A dramatic chronicle of Antarctica's penguins that bears witness to climate changes that foreshadow our own future The towering mountains and iceberg-filled seas of the western Antarctic Peninsula have for three decades formed the backdrop of scientist Bill Fraser's study of Adélie penguins. In that time, this breathtaking region has warmed faster than any place on earth, with profound consequences for the Adélies, the classic tuxedoed penguin that is dependent on sea ice to survive. During the Antarctic spring and summer of 2005-2006, author Fen Montaigne spent five months working on Fraser's field team, and he returned with a moving tale that chronicles the beauty of the wildest place on earth, the lives of the beloved Adélies, the saga of the discovery of the Antarctic Peninsula, and the story—told through Fraser's work—of how rising temperatures are swiftly changing this part of the world. Captivated by the tale of these polar penguins and a memorable field season in Antarctica, readers will come to understand that the fundamental changes Fraser has witnessed in the Antarctic will soon affect our lives.
The Ad Lie Penguin
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Author : David Ainley
language : en
Publisher: Columbia University Press
Release Date : 2002-10-01
The Ad Lie Penguin written by David Ainley and has been published by Columbia University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-10-01 with Science categories.
The Adélie penguin is one of the best-studied birds in the world and is the subject of research programs from a dozen nations interested in monitoring changes in the environment and the food webs of the Southern Ocean. This species' population has been changing dramatically over the past few decades coincident with a general warming of the maritime portion of Antarctica. When the sea-ice is seen to decline so does the population of Adélie penguins. Further south, however, the population is increasing. This book summarizes our present ecological knowledge of this polar seabird. In so doing, David Ainley describes the ecological factors important to its life history and details the mechanisms by which it is responding to climate change. The author also chronicles the history of research on Adélie penguins, beginning with the heroic expeditions at the beginning of the twentieth century. Weaving together history, ecology, natural history, and written accounts from the earliest Antarctic naturalists into a fascinating account of this charismatic bird, The Adélie Penguin provides a foundation upon which future ornithological research and environmental monitoring can be based. It is a model for investigations into the effect of climate change on a particular species. The book also contains many fine illustrations from the accomplished illustrator Lucia deLeiris and photographs by the author.