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Twenty years in the making by a distinguished dolphin expert and his associates, The Hawaiian Spinner Dolphin is the first comprehensive scientific natural history of a dolphin species ever written. From their research camp at Kealakeakua Bay in Hawaii, these scientists followed a population of wild spinner dolphins by radiotracking their movements and, with the use of a windowed underwater vessel, observing the details of their underwater social life.The authors begin with a description of the spinner dolphin species, its morphology and systematics, and then examine the ocean environment, the organization of dolphin populations, and the way this school-based society of mammals uses shorelines for rest and instruction of the young. The dolphins' reproductive cycle, their vision, vocalization, hearing, breathing, and feeding, and the integration of the school are carefully analyzed. The authors conclude with a comprehensive evolutionary analysis of this marine cultural system, with its behavioral flexibility and high levels of cooperation.This absorbing book is the richest source available of new scientific insights about the lives of wild dophins and how their societies evolved at sea.
Stenella longirostris --- Long-beaked dolphin --- Pantropical spinner dolphin --- Spinner dolphin --- Spinner porpoise --- Stenella (Mammals) --- Behavior --- Research --- animal behavior. --- cetaceans. --- conservation. --- dolphin calls. --- dolphin populations. --- dolphin schools. --- dolphins. --- environment. --- habitat. --- hawaii. --- hawaiian spinner. --- kealakeakua bay. --- life sciences. --- mammal. --- marine animals. --- marine biology. --- marine mammals. --- nature. --- ocean animals. --- ocean mammals. --- ocean. --- reproductive cycle. --- sea. --- social life. --- spinner dolphin. --- wild dolphins. --- wildlife. --- zoology.
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Hans Thewissen, a leading researcher in the field of whale paleontology and anatomy, gives a sweeping first-person account of the discoveries that brought to light the early fossil record of whales. As evidenced in the record, whales evolved from herbivorous forest-dwelling ancestors that resembled tiny deer to carnivorous monsters stalking lakes and rivers and to serpentlike denizens of the coast. Thewissen reports on his discoveries in the wilds of India and Pakistan, weaving a narrative that reveals the day-to-day adventures of fossil collection, enriching it with local flavors from South Asian culture and society. The reader senses the excitement of the digs as well as the rigors faced by scientific researchers, for whom each new insight gives rise to even more questions, and for whom at times the logistics of just staying alive may trump all science. In his search for an understanding of how modern whales live their lives, Thewissen also journeys to Japan and Alaska to study whales and wild dolphins. He finds answers to his questions about fossils by studying the anatomy of otters and porpoises and examining whale embryos under the microscope. In the book's final chapter, Thewissen argues for approaching whale evolution with the most powerful tools we have and for combining all the fields of science in pursuit of knowledge.
Whales, Fossil --- Whales --- Paleontology --- Cetacea --- Cetacea, Fossil --- Fossilogy --- Fossilology --- Palaeontology --- Paleontology, Zoological --- Paleozoology --- Historical geology --- Zoology --- Fossils --- Prehistoric animals in motion pictures --- Evolution. --- alaska. --- archaeology. --- carnivorous. --- discussion books. --- evolution. --- evolutionary theory. --- extinction. --- fossil collection. --- fossil collectors. --- fossil hunters. --- fossil record. --- herbivorous mammals. --- india. --- japan. --- lakes and rivers. --- life sciences. --- millions of years. --- modern whales. --- natural history. --- nonfiction. --- pakistan. --- paleontologists. --- paleontology. --- prehistory. --- scientific researchers. --- scientists. --- sea mammal anatomy. --- south asian culture. --- tiny deer. --- whale anatomy. --- whale evolution. --- wild dolphins. --- zoologists. --- zoology.
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