Klaus Malling Olsen – författare
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4 produkter
4 produkter
Inbunden, Engelska, 2018
465 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2004
740 kr
Skickas inom 5-8 vardagar
This eagerly awaited guide offers the most comprehensive treatment ever published on the gulls of Europe, Asia and North America.A total of 43 species is treated, and every species is described in considerable detail, with a full description of each plumage and racial variation.Gulls are intelligent, versatile, opportunistic, and ecological generalists. As such, they exploit a variety of habitats, both coastal and inland, take a wide range of food, and are often extremely abundant. They are also great wanderers, with several American species regularly appearing in Western Europe and vice versa. As well as identification criteria, this book includes an up-to-date assessment of the range and status of every species, together with information on patterns of vagrancy.This important guide is published at a critical time in the development of dull taxonomy. The large, white-headed forms occurring in the region comprise a superspecies complex, with the precise relationships between the various components still under considerable debate. A thorough illustrative and textual treatment of the group is much needed, and this book provided the most complete overview of the complex.The text is complemented noy only by superb colour paintings by Hans Larrson, but also by a large selection of colour photographs, sourced from some of the finest bird photographers in the world. This is the essential reference to a fascinating and endlessly challenging group of birds.
Inbunden, Engelska, 2018
475 kr
Skickas
ONE OF THE BB/BTO BEST BIRD BOOKS OF THE YEAR, 2018This book represents the definitive photographic guide to gulls, by the world's greatest authority on gull identification.This outstanding new guide covers all of the world's gull species, tackling some of the most notoriously difficult identification and taxonomic challenges in birding. Concise text - complemented by an accurate colour range map - places particular emphasis on field identification, with detailed discussion of variation, and coverage of habitat, status and distribution.Each photograph has been carefully selected to highlight identification criteria and, crucially, to allow age and subspecific separation in the field. This book is an invaluable tool for identifying gulls, featuring the most sought-after rarities as well as beautiful, easy-to-identify species.
Inbunden, Engelska, 2013
812 kr
Skickas inom 5-8 vardagar
This is the first complete identification guide to the skuas of the world.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 guide 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.