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Author : Jennifer Anne Marsh
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (272 download)
Download or read book Social Behavior and Ecology of "southern Resident" Killer Whales (Orcinus Orca) written by Jennifer Anne Marsh and published by . This book was released on 2008 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robin W. Baird
Publisher : New Line Books
ISBN 13 : 9781841071039
Total Pages : 136 pages
Book Rating : 4.0/5 (71 download)
Download or read book Killer Whales written by Robin W. Baird and published by New Line Books. This book was released on 2002 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer whales are the supreme predators in the ocean. This introduction to killer whales, or orcas, pieces together the latest information on their life histories. How they communicate and maintain well-established societies, with intricate family relationships, over long lifespans. We also learn that killer whales must now contend with toxic pollutants, overfishing of their prey and a host of other environmental concerns. Illustrated by the world's best wildlife photographers, this book brings us face to face with these intriguing creatures in their underwater realms.
Author : Barbara C. Kirkevold
Publisher : Wiley-Liss
ISBN 13 : 9780471626411
Total Pages : 474 pages
Book Rating : 4.6/5 (264 download)
Download or read book Behavioral Biology of Killer Whales written by Barbara C. Kirkevold and published by Wiley-Liss. This book was released on 1986-12-30 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique volume presents recent findings concerning the biological and behavioral aspects of the killer whale, Orcinus orca. The 16 chapters are organized into three sections, with an overview and conclusion. Section I treats the evolution and natural history of the killer whale, including coverage of taxonomy, population structure, and feeding behavior. Section II discusses the behavior and social groupings of Orcinus orca, including coverage of behavioral and respiratory synchronization, cohesive relationships, and behavioral ontogeny. Section III examines vocalizations and communication, looking, in particular, at sound and behavioral correlations in captives, sequences, periodicity, behavioral correlates, and an automated technique for call classification.
Author : R. W. Osborne
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (165 download)
Download or read book Some Variations in the Behavior and Ecology of Socially Isolated Pods of Killer Whales (Orcinus Orca) written by R. W. Osborne and published by . This book was released on 1985 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernd Würsig
Publisher : Springer
ISBN 13 : 3030166635
Total Pages : 508 pages
Book Rating : 4.0/5 (31 download)
Download or read book Ethology and Behavioral Ecology of Odontocetes written by Bernd Würsig and published by Springer. This book was released on 2019-08-02 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concentrates on the marine mammalian group of Odontocetes, the toothed whales, dolphins, and porpoises. In 23 chapters, a total of 40 authors describe general patterns of ethological concepts of odontocetes in their natural environments, with a strong bent towards behavioral ecology. Examples are given of particularly well-studied species and species groups for which enough data exist, especially from the past 15 years. The aim is to give a modern flavor of present knowledge of ethology and behavior of generally large-brained behaviorally flexible mammals that have evolved quite separately from social mammals on land. As well, the plight of populations and species due to humans is described in multiple chapters, with the goal that an understanding of behavior can help to solve or alleviate at least some human-made problems.
Author : Juichi Yamagiwa
Publisher : Springer Science & Business Media
ISBN 13 : 4431545239
Total Pages : 445 pages
Book Rating : 4.4/5 (315 download)
Download or read book Primates and Cetaceans written by Juichi Yamagiwa and published by Springer Science & Business Media. This book was released on 2013-11-20 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the editors present a view of the socioecology of primates and cetaceans in a comparative perspective to elucidate the social evolution of highly intellectual mammals in terrestrial and aquatic environments. Despite obvious differences in morphology and eco-physiology, there are many cases of comparable, sometimes strikingly similar patterns of sociobehavioral complexity. A number of long-term field studies have accumulated a substantial amount of data on the life history of various taxa, foraging ecology, social and sexual relationships, demography, and various patterns of behavior: from dynamic fission–fusion to long-term stable societies; from male-bonded to bisexually bonded to matrilineal groups. Primatologists and cetologists have come together to provide four evolutionary themes: (1) social complexity and behavioral plasticity, (2) life history strategies and social evolution, (3) the interface between behavior, demography, and conservation, and (4) selected topics in comparative behavior. These comparisons of taxa that are evolutionarily distant but live in comparable complex sociocognitive environments boost our appreciation of their sophisticated mammalian societies and can advance our understanding of the ecological factors that have shaped their social evolution. This knowledge also facilitates a better understanding of the day-to-day challenges these animals face in the human-dominated world and may improve the capacity and effectiveness of our conservation efforts.
Author : James Robert Heimlich-Boran
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (173 download)
Download or read book Habitat Use Patterns and Behavioral Ecology of Killer Whales (Orcinus Orca) in the Pacific Northwest written by James Robert Heimlich-Boran and published by . This book was released on 1987 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel W. Olsen
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (985 download)
Download or read book Hotspots and Behavioral Patterns of Southern Alaska Resident Killer Whales (Orcinus Orca) written by Daniel W. Olsen and published by . This book was released on 2017 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The resident killer whale (Orcinus orca) is a genetically and behaviorally distinct ecotype of killer whale that feeds primarily on Pacific salmon (Oncorhynchus spp.). Long-term monitoring over 30 years of study has enabled detailed investigation into pod-specific, seasonal, and compositional differences in space use and behavior. To investigate use of habitat, 33 resident killer whales representing 14 pods in the northern Gulf of Alaska were tagged with satellite transmitters during all years from 2006 to 2014, and transmissions were received during the months of June to January. Core use areas were identified through utilization distributions using a biased Brownian Bridge movement model. Tagging results indicate different core use areas between pods, which could be due to cultural transmission within matrilineal groups. To investigate differences in behavior, 1337 hours of behavioral data were collected from 2006 to 2015. For these observations, chi squared tests were used to determine significant differences in behavior budgets between seasons, regions, haplotypes, and numbers of pods. The presence of 'rarely sighted' pods (sighted in less than 5% of encounters) had a large influence on the frequency of social behavior, which increased from 18.5% without their presence to 31.4% with it (X2 = 17.3, df = 1, P
Author : Hanne Strager
Publisher : JHU Press
ISBN 13 : 1421446235
Total Pages : 281 pages
Book Rating : 4.4/5 (214 download)
Download or read book The Killer Whale Journals written by Hanne Strager and published by JHU Press. This book was released on 2023-04-11 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experience the hauntingly beautiful world of orcas, and discover the stories that unfold when humans enter oceans alongside them. Winner of the National Outdoor Book Award by the NOBA Foundation, Honorable mention for the Sigurd Olson Nature Writing Awards by the Northland College When intrepid biology student Hanne Strager volunteered to be the cook on a small research vessel in Norway's Lofoten Islands, the trip inspired a decades-long journey into the lives of killer whales—and an exploration of people's complex relationships with the biggest predators on earth. The Killer Whale Journals chronicles the now internationally renowned science writer's fascinating adventures around the world, documenting Strager's personal experiences with orcas in the wild. Killer whales' incredible intelligence, long life spans, and strong family bonds lead many people to see them as kindred spirits in the sea. But not everyone feels this way—like wolves, orcas have been both beloved and vilified throughout human history. In this absorbing odyssey, Strager traces the complicated relationship between humans and killer whales, while delving into their behavior, biology, and ecology. She brings us along in her travels to the most remote corners of the world, battling the stormy Arctic seas of northern Norway with fellow biologists intent on decoding whale-song, interviewing First Nations conservationists in Vancouver, observing Inuit hunters in Greenland, and witnessing the dismantling of black market "whale jails" in the Russian wilderness of Kamchatka. Through these captivating stories, Strager introduces us to a diverse cast of characters from Inuit elders to Australian Aboriginal whalers and guides us through the world's wild waters, from fjords above the Arctic circle in Norway to the poaching-infested waters off Kamchatka. Featuring astonishing photographs from famed nature photographer and conservationist Paul Nicklen, The Killer Whale Journals reveals rare and intimate moments of connection with these fierce, brilliant predators.
Author : Emma Anne Foster
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Exploring the Mechanisms and Functions Underpinning the Social Networks of an Endangered Population of Killer Whales, Orcinus Orca written by Emma Anne Foster and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: For the majority of social species, group composition is dynamic, and individuals are interconnected in a heterogeneous social network. In this study I investigate the mechanisms underpinning social structure in the endangered southern resident killer whale (Orcinus Orca) population using a long term dataset, and explore the consequences of these. My results demonstrate that resource availability may be an important determinant of social network structure. A significant relationship between the connectivity of the social network and salmon abundance occurred, with a more interconnected network in years of high salmon abundance. As networks are non-random, highly connected individuals may play a key role in population processes such as information and disease transmission. While associations occurred both within and between matrilines, females had a significantly higher number of associates than males, as did older individuals of both sexes. Older males played a more important role in interconnecting the network. The attributes of group leadership were then investigated in matrilines and in individuals. Leadership was not a factor of size or mean age of matriline. However, there was a significant relationship between leadership score and the matriline sex ratio. Individually, females had higher leadership scores than males, and there was a positive correlation between leadership score and age in both sexes. I suggest that the oldest females have the highest 4 leadership scores due to increased ecological knowledge that comes with a prolonged lifespan. Using multi-generational records for two populations of killer whales, I show that both reproductive and post-reproductive mothers increase the survival of offspring, particularly in older male offspring. This is consistent with theoretical predictions, and may explain why female killer-whales have evolved the longest post-reproductive lifespan of all non-human animals. Given the role that individuals of high network centrality can play in population processes, understanding the driving forces behind social network structure is vital when designing effective conservation and management plans.
Author : Deborah A. Giles
Publisher :
ISBN 13 : 9781321016574
Total Pages : pages
Book Rating : 4.0/5 (165 download)
Download or read book Southern Resident Killer Whales (Orcinus Orca) written by Deborah A. Giles and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation concerns the southern resident killer whales (Orcinus orca), a genetically isolated population of fish-eating killer whales that frequent the international waters of the Salish Sea between the United States and Canada in the eastern Pacific Ocean. Research was conducted from June 1 to October 31, 2007 and from June 7 to October 31, 2008, between geographic coordinates: 48°12' to 49° N latitude by 122°43' to 123°50° W longitude. The southern resident killer whale population has experienced multiple fluctuations since population surveys were initiated by the Center for Whale Research (CWR) in the mid 1970's. In November 2005, the U.S. National Oceanic and Atmospheric Administration's National Marine Fisheries Service (NMFS), Northwest Regional Office listed the southern resident killer whales as an endangered distinct population segment of the species Orcinus orca under the United States Endangered Species Act (ESA). Several risk factors including reductions in the quantity and quality of prey (salmon), exposure to persistent toxins, and disturbance from vessel presence and associated noise were identified as contributing to the decline of this already small population. With the listing under the ESA, critical habitat was designated in the inland waters around the U.S. San Juan Islands, Washington State and the Canadian Gulf Islands, British Columbia, Canada. Chapter one, Managing Vessel-based Killer Whale Watching: A Critical Assessment of the Evolution from Voluntary Guidelines to Regulations in the Salish Sea, provides background on the southern resident killer whales and the robust international whale watching industry in the region. This chapter also provides a detailed history of local, state, federal and international vessel laws and guidelines for watching whales in the Salish Sea. Chapter two, Non-invasive methods to study southern resident killer whales and vessel compliance with regulations, describes a novel equipment package, consisting of a differential GPS integrated with a digital compass and laser rangefinder that allowed me to collect accurate geo-referenced locations and behavioral data on whales and vessels throughout the whale's critical habitat. To improve both the spatial and temporal data on whale-vessel interactions, the information collected with this equipment was used to assess vessel compliance with local, state and federal laws and the regionally accepted best-practices Be Whale Wise Guidelines. Chapter three, The effects of vessels on group cohesion and behavior of southern resident killer whales (Orcinus orca), discusses research investigating changes in killer whale group cohesion in response to vessel density, distance and mode of operation. Future cetacean studies would benefit from using the equipment and methods presented here, especially in areas that are not conducive to land-based theodolite collected data.
Author : John K. B. Ford
Publisher : UBC Press
ISBN 13 : 0774844302
Total Pages : 106 pages
Book Rating : 4.7/5 (748 download)
Download or read book Killer Whales written by John K. B. Ford and published by UBC Press. This book was released on 1996 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of this best-selling book presents updated results ofover twenty-five years of killer whale research in British Columbia andWashington. Intended for both whale enthusiasts and researchers, itcontains the latest information on killer whale natural history andpresents a catalogue of close to 300 photographs of"resident" killer whales as well as a genealogical registrythat enables readers to identify individual killer whales and theirfamily groups. The technique of photographing the dorsal fin and greysaddle patch of whales has revolutionized the study of killer whales,allowing researchers to follow individuals over the course of manyyears.
Author : Naomi Anne Rose
Publisher : Ann Arbor, Mich. : University Microfilms International
ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.:/5 (321 download)
Download or read book The Social Dynamics of Male Killer Whales, Orcinus Orca, in Johnstone Strait, British Columbia written by Naomi Anne Rose and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 1992 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ingrid Visser
Publisher : Penguin Global
ISBN 13 : 9780143019831
Total Pages : 0 pages
Book Rating : 4.0/5 (198 download)
Download or read book Swimming with Orca written by Ingrid Visser and published by Penguin Global. This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meet the woman whose life revolves around orca, or killer whales. This book tells the fascinating story of Dr Ingrid Visser, a marine scientist who has spent the past ten years studying these creatures. During this time she has got to know many New Zealand orca intimately; she calls them her friends and can identify some by sight. Ingrid has a hands-on approach to her study - getting into the water with them, watching them hunt and interacting in any way she can. Ingrid is the only person to work with orca in the South Pacific and has discovered many differences between their behaviour here and in the northern hemisphere. The book is packed with interesting facts about orca in New Zealand and also tells Ingrid's own personal story and the inspiring encounters she has had with these intriguing animals.
Author : Kristina Marie Horback
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (748 download)
Download or read book Variations in Social Behavior Throughout the Estrous Cycle of a Captive Killer Whale Orcinus Orca written by Kristina Marie Horback and published by . This book was released on 2011 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Historical Ecology of Salish Sea Resident Killer Whales (Orcinus Orca), with Implications for Management written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jennifer Beissinger Tennessen
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (891 download)
Download or read book The Effects of Anthropogenic Noise on the Vocal Behavior of Southern Resident Killer Whales (Orcinus Orca) written by Jennifer Beissinger Tennessen and published by . This book was released on 2009 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
