From the renowned author of the New York Times best seller The Sibley Guide to Birds, a comprehensive, beautifully illustrated guide to identifying birds in the field--an essential companion for birders of all skill and experience levels.The Sibley Guide to Birds and The Sibley Guide to Bird Life and Behavior are both universally acclaimed as the new standard source of species information. And now David Sibley, America's premier birder and best-known bird artist, turns his attention to the general characteristics that influence the appearance of all...
From the renowned author of the New York Times best seller The Sibley Guide to Birds, a comprehensive, beautifully illustrated guide ...
Debate about deregulation has focused considerable attention on the pricing policies of public utilities. Much work has been done by economists on this subject, and in this book the results of that research are presented and made accessible to students of economics. The main subject is the policy to be followed by a regulated monopoly, but the analysis is broadened to take account of a fringe of competitive suppliers, making it relevant to electric utilities and local telephone companies in the US, to PTT's in Europe, to the possible privatisatibn of telecommunications in Australia, and to...
Debate about deregulation has focused considerable attention on the pricing policies of public utilities. Much work has been done by economists on thi...
Vividly written by "the bard of birding" and beautifully illustrated by acclaimed bird artist Sibley, "The Wind Masters" shows what it is like to be a bird of prey. Line drawings throughout.
Vividly written by "the bard of birding" and beautifully illustrated by acclaimed bird artist Sibley, "The Wind Masters" shows what it is like to be a...
Among the world's most popular birds, hawks can be some of the most difficult birds to identify. They're most often seen flying high above and at a distance. In the first edition of Hawks in Flight, Pete Dunne, David Sibley, and Clay Sutton presented a holistic method of hawk identification, using general body shape, the way they move, and the places they are most likely to be seen. The new edition of the book that Roger Tory Peterson called a -landmark- integrates an array of carefully selected photographs, David Sibley's superb illustrations, and a clear, information-packed...
Among the world's most popular birds, hawks can be some of the most difficult birds to identify. They're most often seen flying high above and at a di...
"Undoubtedly the finest guide to North American birds."--Guy McCaskie, Birding The publication of The Sibley Guide to Birds, First Edition quickly established David Allen Sibley as the author and illustrator of the nation's supreme and most comprehensive guide to birds. Used by millions of birders from novices to the most expert, The Sibley Guide became the standard by which natural history guides are measured. The highly anticipated second edition builds on this foundation of excellence, offering massively expanded and updated information, new...
"Undoubtedly the finest guide to North American birds."--Guy McCaskie, Birding The publication of The Sibley Guide to Bir...
From leading ornithologist and bestselling author David Sibley comes this essential write-in field companion for all levels of birders. This indispensable birder's companion includes both ample space for on-site notes and a life list to be filled in by the legions of passionate birders who have bought Sibley's bestselling guides. Included are entries for the 923 species found in the United States and Canada, with space for recording where and when a bird was seen and for notes or memories about the sighting. At the back is a complete checklist of all the birds for building the life list.
From leading ornithologist and bestselling author David Sibley comes this essential write-in field companion for all levels of birders. This indis...
