Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington

Valutazione media 4,14
( su 28 valutazioni fornite da Goodreads )
 
9780774808002: Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington

The three authors have been studying killer whales since the 1970s, when they began photographing dorsal fins and the gray saddle patches at the base of the fins in order to identify individual whales. They present the latest information on killer whale natural history; suggestions on how, when, and

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About the Author:

The authors are active researchers who are widely regarded as the world's foremost authorities on killer whales. JOHN K.B. FORD is a marine mammal scientist at the Vancouver Aquarium. GRAEME M. ELLIS is a marine mammal technician at the Pacific Biological Station, Nanaimo, BC. KENNETH C. BALCOMB is the director of the Center for Whale Research, Friday Harbor, Washington.

Review:

Watching killer whales in the wild in British Columbia and Washington state is a popular recreational activity. Nothing quite matches the thrill of witnessing a pod of these immense creatures cutting through the waters of Johnstone Strait or listening to their strident underwater calls to each other in their own dialect.

The second edition of this bestselling book presents updated results of over twenty-five years of killer whale research in British Columbia and Washington. Intended for both whale enthusiasts and researchers, it contains the latest information on what is known of killer whale natural history and presents a catalogue of close to 300 photographs of "resident" killer whales as well as a genealogical registry that enables readers to identify individual killer whales and their family groups. New in this edition is the latest information on the status and future prospects of west-coast killer whales - how they may be affected by declining salmon stocks, high levels of toxic chemicals in their tissue, and increasing vessel traffic and underwater noise. Whale watchers will particularly appreciate revised suggestions and guidelines on how to view whales in the wild without disturbing them. The authors are active researchers who are widely regarded as the world's foremost authorities on killer whales.

 

FEATURES

- Lavishly illustrated with 300 identification photographs.

- Indispensable guide for both whale watchers and researchers.

- Written by the world's foremost authorities on killer whales.

- Contains the latest research findings on killer whales.

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1.

John K. B.; Ellis, Graeme M.; Balcomb, Kenneth C. Ford
Editore: Univ of British Columbia Pr (2000)
ISBN 10: 0774808004 ISBN 13: 9780774808002
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Ergodebooks
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Descrizione libro Univ of British Columbia Pr, 2000. Paperback. Condizione libro: New. Codice libro della libreria SONG0774808004

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2.

Kenneth C. Ford John Graeme M.; Balcomb
Editore: Univ of British Columbia Pr (2000)
ISBN 10: 0774808004 ISBN 13: 9780774808002
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Murray Media
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Descrizione libro Univ of British Columbia Pr, 2000. Paperback. Condizione libro: New. Codice libro della libreria P110774808004

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3.

Kenneth C. Balcomb
ISBN 10: 0774808004 ISBN 13: 9780774808002
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Castle Rock
(Pittsford, NY, U.S.A.)
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Descrizione libro Condizione libro: Brand New. Book Condition: Brand New. Codice libro della libreria 97807748080021.0

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