By Debra Lee Miller
The order Cetacea includes a few outstanding species, representing probably the most developed creatures that inhabit this earth. but, additionally they signify a gaggle of species for which a lot continues to be unknown. There are over eighty species of cetaceans composed of porpoises, dolphins and whales. This quantity represents the newest of released and formerly unpublished information about cetacean reproductive biology and phylogeny.
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Reproductive biology and phylogeny of Cetacea: whales, dolphins, and porpoises
The order Cetacea contains a few remarkable species, representing probably the most advanced creatures that inhabit this earth. but, additionally they symbolize a gaggle of species for which a lot is still unknown. There are over eighty species of cetaceans composed of porpoises, dolphins and whales. This quantity represents the most recent of released and formerly unpublished information about cetacean reproductive biology and phylogeny.
Extra info for Reproductive biology and phylogeny of Cetacea: whales, dolphins, and porpoises
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From Shäfer 1972. Ecology and palaeontology of marine environments. , Fig. 13 (modified). B. From Lee and Robineau 2004. L’anthropologie 108: 137-151, Fig. 6 (modified). Reproductive Biology and Phylogeny of Cetacea archeological evidences found in Ra’s al Hadd (Oman), strongly suggests that both Tursiops spp. and common dolphins (Delphinus delphis) were usually chased into a weir that was built across a lagoon by local communities. This whaling strategy also was used for large cetaceans. Around I century BC, Icelanders and Vikings in the North Atlantic and Japanese in the North Pacific Ocean used to trap their prey in fiords by closing the entry with fishing-nets.
Würsing, B. 2002. History of marine mammals research. Pp. 576-580. In: W. F. Perrin, B. Wursig and J. G. M. Thewissen (eds), Encyclopedia of Marine Mammals. Academic Press, San Diego. 1 INTRODUCTION In one of his essays published in 1994, Stephen Jay Gould described, in his exciting style, the contemporary discoveries of the oldest whales. He emphasized their importance in the demolition of one of the strong points of the creationists’ theories against Darwinism: the presumed lack of fossil evidence in the transition between land mammals and whales.
This book is about North Sea cetaceans, but it also shows for the first time the differences Cetacea: An Historical Overview % between Eubalaena glacialis and Balaena mysticetus. Nevertheless, in the following five centuries zoologists continued to confuse these two species that were correctly identified only by whalers. 3 The Rise of Science During the Renaissance, the rapid increase of ocean explorations was followed by several scientific publications. Pierre Belon in his Histoire naturelle des éstranges poissons marins avec la vrai paincture et description du dauphin et de plusieurs autres de son espèce (1555) described cetacean anatomy in detail but still classified whales as fish.