Ethology and Behavioral Ecology of Sea Otters and Polar Bears: Ethology and Behavioral Ecology of Marine Mammals
Editat de Randall W. Davis, Anthony M. Paganoen Limba Engleză Paperback – 5 iul 2022
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Specificații
ISBN-13: 9783030667986
ISBN-10: 3030667987
Ilustrații: XIV, 363 p. 110 illus., 89 illus. in color.
Dimensiuni: 155 x 235 mm
Greutate: 0.53 kg
Ediția:1st ed. 2021
Editura: Springer International Publishing
Colecția Springer
Seria Ethology and Behavioral Ecology of Marine Mammals
Locul publicării:Cham, Switzerland
ISBN-10: 3030667987
Ilustrații: XIV, 363 p. 110 illus., 89 illus. in color.
Dimensiuni: 155 x 235 mm
Greutate: 0.53 kg
Ediția:1st ed. 2021
Editura: Springer International Publishing
Colecția Springer
Seria Ethology and Behavioral Ecology of Marine Mammals
Locul publicării:Cham, Switzerland
Cuprins
Introduction.- Part I. Ethology and Behavioral Ecology of Sea Otters.- Taxonomy and Evolution of Sea Otters.- Sea Otter Behavior: Morphologic, Physiologic, and Sensory Adaptations.- Sea Otter Foraging Behavior.- Social Structure of Marine Otters: Inter and Intraspecific Variation.- Reproductive Behavior of Male Sea Otters.- Reproductive Behavior of Female Sea Otters and Their Pups.- Sea Otter Behavior and Its Influence on Littoral Community Structure.- Sea Otter Predator Avoidance Behavior.- Sea Otters and the Maritime Fur Trade.- Part II. Ethology and Behavioral Ecology of Polar Bears.- Polar Bear Taxonomy and Evolution.- Polar Bear Behavior: Morphologic and Physiologic Adaptations.- Polar Bear Foraging Behavior.- Polar Bear Reproductive and Denning Behavior.- Polar Bear Maternal Care, Neonatal Development, and Social Behavior.- Polar Bear Behavior in Response to Climate Change.- Human-Polar Bear Interactions.
Notă biografică
Dr. Randall W. Davis is Regents Professor in the Department of Marine Biology at Texas A&M University. He is an educator and researcher who studies the physiology and behavioral ecology of marine mammals and other aquatic vertebrates. Dr. Davis has studied the behavioral ecology of sea otters in Alaska since 2001, and some of the results are presented in this book. He has continually emphasized the importance of studying animals in their natural environment and has spent many years developing animal-borne instruments to better understand their behavior and ecology at sea. His academic endeavors and 100 research expeditions have taken him to 65 countries and territories on seven continents and all of the world's oceans.
Dr. Anthony M. Pagano is a Post-Doctoral Research Fellow with the San Diego Zoo Global Institute for Conservation Research. He has degrees in Biology and History from Northeastern University (B.A.), Wildlife Conservation from the University of Minnesota (M.S.),and Ecology and Evolutionary Biology from the University of California, Santa Cruz (Ph.D.). He has studied polar bears for more than 12 years and spent 10 years working for the Polar Bear Research Program with the U.S. Geological Survey in Alaska. His research on polar bears has included the use of camera collars and other animal-borne instruments on wild polar bears to understand their behavior and feeding rates. He combined these data with laboratory measurements of metabolic rates of walking on a treadmill and swimming in a water flume to estimate the field energetics of polar bears on the sea ice.
Dr. Anthony M. Pagano is a Post-Doctoral Research Fellow with the San Diego Zoo Global Institute for Conservation Research. He has degrees in Biology and History from Northeastern University (B.A.), Wildlife Conservation from the University of Minnesota (M.S.),and Ecology and Evolutionary Biology from the University of California, Santa Cruz (Ph.D.). He has studied polar bears for more than 12 years and spent 10 years working for the Polar Bear Research Program with the U.S. Geological Survey in Alaska. His research on polar bears has included the use of camera collars and other animal-borne instruments on wild polar bears to understand their behavior and feeding rates. He combined these data with laboratory measurements of metabolic rates of walking on a treadmill and swimming in a water flume to estimate the field energetics of polar bears on the sea ice.
Textul de pe ultima copertă
Sea otters and polar bears are carnivorous marine mammals that still resemble their terrestrial ancestors. Compared with Cetacea (whales and dolphins), Sirenia (dugongs and manatees), and Pinnipedia (seals, sea lions, and walrus), they are less adapted for an aquatic life and the most recently evolved among marine mammals. Sea otters are amphibious but seldom come ashore, and polar bears primarily occur on sea ice or along the shore. When at sea, both species spend most of their time swimming at the surface or making short, shallow dives when foraging or pursuing prey. Indeed, polar bears rarely pursue seals in water. Nevertheless, polar bears are powerful swimmers and will stalk seals from the water. As with many other large carnivores, they are solitary hunters. Although sea otters are gregarious and form aggregations at sea called rafts, they are primarily asocial. Except during mating, the principal interaction among sea otters occurs between a female and offspring during the six-month dependency period. In large carnivores (e.g., wolves and lions) that feed on ungulates, sociality and cooperation are favored because of the need to capture large prey and defend carcasses. Polar bears, which are the largest terrestrial carnivore, are solitary hunters of seals and are neither gregarious nor social. Males and females briefly associate during courtship and mating. During this time, males aggressively compete for females. At other times, males generally avoid each other except for aggregations of males that form while summering on land, and females with cubs avoid males, which are known for infanticide. As with sea otters, the interaction of polar bears outside of mating occurs between a female and her offspring during the 2-3 year dependency period. This interaction is critically important when altricial cubs are born in the winter den. This book provides new insight into the ethology and behavioral ecology of sea otters and polar bears. Each chapter reviews thediscoveries of previous studies and integrates recent research using new techniques and technology. The authors also address historic and current anthropogenic challenges for their survival as climate change alters entire marine ecosystems.
Caracteristici
Reviews the ethology and behavioral ecology of sea otters and polar bears in the marine environment Highlights the adaptations of these carnivorous marine mammals to their environment Authored by long-standing experts of the field