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  • 1
    Online Resource
    Online Resource
    Marine Mammals: the Evolving Human Factor (2022)
    Cham :Springer International Publishing :
    Details
    Keywords: Freshwater ecology. ; Marine ecology. ; Conservation biology. ; Ecology . ; Biodiversity. ; Zoology. ; Behavior genetics. ; Vertebrates. ; Freshwater and Marine Ecology. ; Conservation Biology. ; Biodiversity. ; Zoology. ; Behavioral Genetics. ; Vertebrate Zoology.
    Description / Table of Contents: Neuroethological background of marine mammal complexity -- Social extremes and their relation to anthropogenic stress -- Lone, sociable marine mammals and their influence on human attitudes -- Efforts of conserving marine mammals (spaces excluded) -- Conserving marine mammal spaces and habitats -- Conservation relevance of marine mammal social learning and culture -- Marine mammal migrations.
    Abstract: The seventh volume in the series “Ethology and Behavioral Ecology of Marine Mammals” describes aspects of the often-complex relationship between humans and marine mammals. From a primeval condition of occasional predators, during the last century humans have become a major factor negatively affecting the status of most marine mammals through over-hunting, habitat encroachment and environmental degradation. This has led to the extirpation of many marine mammal populations and even to the extinction of species. However, in parallel to this destructive drive, since antiquity humanity has been influenced by a strong fascination for marine mammals, which contributes today to an increased human appreciation of the natural world admixed with widespread concern for its degrading condition. The special status occupied by marine mammals in human imagination and affection stands in stark contrast with the current predicament of many populations still threatened by the doings of Homo sapiens: a condition emblematic of the relationship of humanity with nature, and key to understanding where humanity is heading.
    Type of Medium: Online Resource
    Pages: XXII, 465 p. 88 illus., 80 illus. in color. , online resource.
    Edition: 1st ed. 2022.
    ISBN: 9783030981006
    Series Statement: Ethology and Behavioral Ecology of Marine Mammals,
    URL: https://doi.org/10.1007/978-3-030-98100-6
    DOI: 10.1007/978-3-030-98100-6
    DDC: 577.6
    Language: English
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  • 2
    Online Resource
    Online Resource
    Social Strategies of Carnivorous Mammalian Predators : Hunting and Surviving as Families (2023)
    Cham :Springer International Publishing :
    Details
    Keywords: Ecology . ; Animal behavior. ; Freshwater ecology. ; Marine ecology. ; Zoology. ; Biotic communities. ; Population biology. ; Biodiversity. ; Behavioral Ecology. ; Freshwater and Marine Ecology. ; Zoology. ; Community and Population Ecology. ; Population Dynamics. ; Biodiversity.
    Description / Table of Contents: Chapter 1. Animals That Stay Together, Hunt Together -- Chapter 2. Social Strategies of the African Lion -- Chapter 3. The Role of Food and Mates in Shaping Asiatic Lion Societies -- Chapter 4. Wolves in a Human World: Social Dynamics of the Northern Hemisphere’s Most Iconic Social Carnivore -- Chapter 5. Hunting Success in the Spotted Hyena: Morphological Adaptations and Behavioral Strategies -- Chapter 6. Hunting Behavior and Social Ecology of African Wild Dogs -- Chapter 7. Social Strategies of a Consummate Marine Predator—Mammal Hunting Killer Whales -- Chapter 8. Mammal Hunting Killer Whales off Monterey, California—A 30-Year Synthesis -- Chapter 9. Sociality and Its Relevance in Group Hunting Mammalian Predators.
    Abstract: The book offers a comparative look at the social strategies of five carnivorous social predators (four terrestrial and one marine) that make them successful hunting units. The focus is on mammalian predators hunting (largely) mammalian prey. Each chapter (with separate authors) devoted to a particular species, explores the versatile hunting techniques and social dynamics of these top predators as they attempt to survive, defend, and reproduce in challenging habitats. Each chapter also delves into how the social fabric and ecology of each species influence their ability to deal with natural and man-made threats and shifting baselines.
    Type of Medium: Online Resource
    Pages: VIII, 350 p. 1 illus. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031298035
    Series Statement: Fascinating Life Sciences,
    URL: https://doi.org/10.1007/978-3-031-29803-5
    DOI: 10.1007/978-3-031-29803-5
    DDC: 577.8
    Language: English
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  • 3
    Online Resource
    Online Resource
    Sex in Cetaceans : Morphology, Behavior, and the Evolution of Sexual Strategies (2023)
    Cham :Springer International Publishing :
    Details
    Keywords: Freshwater ecology. ; Marine ecology. ; Animal culture. ; Vertebrates. ; Sexual selection. ; Freshwater and Marine Ecology. ; Animal Science. ; Vertebrate Zoology. ; Sexual Selection.
    Description / Table of Contents: Chapter 1. Sex and Behavior -- Chapter 2. Genetic Tools to Investigate the Consequences of Sex -- Chapter 3. Skulls, Teeth, and Sex -- Chapter 4. Cetacean Evolution: Copulatory and Birthing Consequences of Pelvic and Hindlimb Reduction -- Chapter 5. Sexual Anatomy of Female Cetaceans: Art and Science Contribute Insights into Functionality -- Chapter 6. Interspecific Comparison of Reproductive Strategies -- Chapter 7. Non-Conceptive Sexual Behavior in Cetaceans: Comparison of Form and Function -- Chapter 8. Play, Sexual Display, or Just Boredom Relief? -- Chapter 9. Sexual Behaviors of Odontocetes in Managed Care -- Chapter 10. Infanticide and Sexual Conflict in Cetaceans -- Chapter 11. Drone Perspectives on Cetacean Mating and Sex -- Chapter 12. Inter- and Intrapopulation Variation in Bottlenose Dolphin Mating Strategies -- Chapter 13. Sex and Sexual Strategies in Deep-Diving Risso's Dolphins -- Chapter 14. Sociosexual Behavior of Nocturnally Foraging Dusky and Spinner Dolphins -- Chapter 15. Life History Parameters, Sociobiology, and Reproductive Strategies of Pilot Whales -- Chapter 16. Sex in Killer Whales: Behavior, Exogamy and the Evolution of Sexual Strategies in the Ocean’s Apex Predator -- Chapter 17. Beaked Whale Sexual Dimorphism, Mating Strategies, and Diversification -- Chapter 18. Sexual Behavior and Anatomy in Porpoises -- Chapter 19. Sperm Whale Reproductive Strategies: Current Knowledge and Future Directions -- Chapter 20. Reproductive Tactics in Baleen Whales -- Chapter 21. Gray Whale Sex, Reproductive Behavior, and Social Strategies -- Chapter 22. Bowhead Whale Reproductive Strategies -- Chapter 23. Right Whale Sexual Strategies and Behavior -- Chapter 24. Cetacean Sociality, Reproduction, and Conservation.
    Abstract: Sex in Cetaceans provides an up-to-date review of multi-faceted aspects related to mating and reproduction in toothed and baleen whales. This open access book begins with discussions of sexual selection and anatomical traits related to mating and diversity between the sexes. The functions of non-conceptive copulations are reviewed as are different research techniques applied to explore sex in cetaceans. Authors and editors build knowledge of female and male social, mating, and parental strategies and tactics for several specific toothed dolphin/porpoise/whale species and baleen whale species. It concludes with a discussion of potential conservation efforts and ways to help especially beleaguered species and populations the world over. The volume is intended as a major primer of cetacean sex for undergraduate and graduate students, new and established researchers in the field, and the public wishing to learn more.
    Type of Medium: Online Resource
    Pages: IX, 619 p. 123 illus., 112 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031356513
    URL: https://doi.org/10.1007/978-3-031-35651-3
    DOI: 10.1007/978-3-031-35651-3
    DDC: 577.6
    Language: English
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  • 4
    Electronic Resource
    Electronic Resource
    GRAY WHALES (ESCHRICHTIUS ROBUSTUS) OFF SAKHALIN ISLAND, RUSSIA: SEASONAL AND ANNUAL PATTERNS OF OCCURRENCE (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 15 (1999), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The annual return, seasonal occurrence, and site fidelity of Korean-Okhotsk or western gray whales on their feeding grounds off northeastern Sakhalin Island, Russia, were assessed by boat-based photo-identification studies in 1994-1998. A total of 262 pods were observed, ranging in size from 1 to 9 whales with an overall mean of 2.0. Sixty-nine whales were individually identified, and a majority of all whales (71.0%) were observed in multiple years. Annual sighting frequencies ranged from 1 to 18 d, with a mean of 5. 4 d. The percentage of whales reidentified from previous years showed a continuous annual increase, reaching 87.0% by the end of the study. Time between first and last sighting of identified individuals within a given year was 1-85 d, with an overall mean of 40.6 d. Annual calf proportions ranged from 4.3% (1997) to 13.2% (1998), and mother-calf separations generally occurred between July and September. The seasonal site fidelity and annual return of whales to this part of the Okhotsk Sea emphasize its importance as a primary feeding ground for this endangered population.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1999.tb00886.x
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  • 5
    Electronic Resource
    Electronic Resource
    SKIN SWABBING FOR GENETIC ANALYSIS: APPLICATION TO DUSKY DOLPHINS (LAGENORHYNCHUS OBSCURUS) (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 15 (1999), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Exfoliated skin was collected from bowriding dolphins with the use of a sterilized nylon scrub pad affixed to a wooden dowel. Initial tests of the effectiveness of the technique and dolphin behavioral responses were conducted on dusky dolphins off Kaikoura, New Zealand. During 14 sampling days, 128 contacts using this procedure were made with bowriding dolphins, of which 114 showed behavioral response. Responses during sampling were mild, with 11% of contacted individuals showing no visible response, and 66% of individuals which could be monitored for 30 sec after contact returning to bowride within 30 sec. Mean return time was 10 sec postcontact and did not vary significantly for groups of different sizes. Behavioral controls suggest that a proportion of responses could be explained by typical dolphin behavior in the presence of boats. Seventy-eight percent of contacts resulted in successful collection of tissue samples. Sample time was three minutes on average. Size of group and behavioral state did not appear to influence sample time. Preliminary genetic analyses revealed that tissue collected by this technique was suitable for amplification and sequencing of mitochondrial DNA (mtDNA) via PCR. Comparisons of mtDNA control region sequences with those from known L. obscurus and other delphinid samples verified that this technique was robust against contamination from elements in sea water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1999.tb00810.x
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  • 6
    Electronic Resource
    Electronic Resource
    ECOLOGY, BEHAVIOR AND SOCIAL ORGANIZATION OF THE BOTTLENOSE DOLPHIN: A REVIEW (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 2 (1986), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The authors review the literature on bottlenose dolphin ecology, behavior and social organization, focusing on data collected on free-ranging animals. Most bottlenose dolphins studied to date have had definable home ranges, and behavioral, morphological and biochemical information indicates discrete stocks in some areas. Bottlenose dolphins appear to form relatively permanent social groups based on sex and age. Mother—calf bonds are long-lasting. Movement patterns are extremely variable from location to location but are relatively predictable at any given site. Food resources are one of the most important factors affecting movements. Bottlenose dolphin behavior is very flexible, and these dolphins are generally active day and night. Feeding peaks in the morning and afternoon have been observed at several sites. Social behavior is an important component of daily activities. Sharks are the most significant predator on bottlenose dolphins in most areas, but captive and wild studies show that dolphins and sharks frequently live in harmony as well. Human activities may be helpful, harmful or neutral to bottlenose dolphins, but interactions with humans are frequent for these coastal cetaceans.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1986.tb00026.x
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  • 7
    Electronic Resource
    Electronic Resource
    OBSERVATIONS OF AN INTERACTION BETWEEN SPERM WHALES AND SHORT-FINNED PILOT WHALES IN THE GULF OF MEXICO (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 12 (1996), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1996.tb00071.x
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  • 8
    Electronic Resource
    Electronic Resource
    DUSKY DOLPHIN (LAGENORHYNCHUS OBSCURUS) FORAGING IN TWO DIFFERENT HABITATS: ACTIVE ACOUSTIC DETECTION OF DOLPHINS AND THEIR PREY (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 20 (2004), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Active-acoustic surveys were used to determine the distribution of dusky dolphins and potential prey in two different New Zealand locations. During seven survey days off Kaikoura Canyon, dusky dolphins were found within the DeepScattering Layer (DSL) at 2000 when it rose to within 125 m of the surface. As the DSL rose to 30 m at 0100, the observed depth of dolphins decreased, presumably as the dolphins followed the vertical migration of their prey. Acoustically identified subgroups of coordinated animals ranged from one to five dolphins. Time, depth of layer, and layer variance contributed significantly to predicting foraging dusky dolphin subgroup size. In the much shallower and more enclosed Admiralty Bay, dolphins noted at the surface as foraging were always detected with the sonar, but were never observed in coordinated subgroups during the brief (two-day) study there. In Admiralty Bay dolphin abundance was correlated with mean volume scattering from potential prey in the water column; and when volume scattering, an index of prey density, was low, dolphins were rarely present. Ecological differences between the deep waters of Kaikoura Canyon and the shallow nearshore waters of Admiralty Bay may result in differences in how, when, and in what social groupings dusky dolphins forage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.2004.tb01152.x
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  • 9
    Electronic Resource
    Electronic Resource
    SOCIAL AND SEXUAL BEHAVIOR OF BOWHEAD WHALES IN FALL IN THE WESTERN ARCTIC: A RE-EXAMINATION OF SEASONAL TRENDS (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 9 (1993), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1993.tb00434.x
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  • 10
    Electronic Resource
    Electronic Resource
    BEYOND BEAN COUNTING AND WHALE TALES (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Marine mammal science 1 (1985), S. 0 
    Details
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Three developments have implications for the future study of marine mammal behavior: 1) The number and affiliation of researchers have increased from a few individuals representing the interests of government or industry to many people conducting studies from a variety of points of view; 2) The interpretation of natural selection's operation on social behavior and life history patterns has shifted from emphasizing group to individual benefits; and 3) The passage of the Marine Mammal Protection Act has committed the United States to manage, research and protect marine mammal populations. Despite negative aspects of each development, the overall effect on marine mammal research will be positive. The combination of these changes and the interaction and collaboration of researchers with diverse orientations will spur new and varied research efforts and lead to a deeper understanding of marine mammals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1748-7692.1985.tb00002.x
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