The Hippos: Natural History and Conservation

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Princeton University Press, 1999 - Всего страниц: 184

Hippos are unusual in being genuinely amphibious and this has a fundamental effect on their physiology and way of life. Following a general introduction, there is a detailed description of hippo anatomy and physiology, including many fascinating and little known facts about their skin structure and physiology. The complex question of hippo stomach anatomy, and its impact on their diet and nutrition, is critically reviewed. Hippos have a four-chambered stomach similar to ruminants although, unlike them, they do not chew the cud. Hence they are often called "pseudoruminants." The fossil history of hippos is then considered and the recently claimed relationship with whales is examined. Subsequent chapters are devoted to their social biology and ecology, including descriptions of their breeding and feeding ecology. Several extraordinary instances of carnivory, including an instance of cannibalism, are described. A chapter on diseases and parasites also discusses the relations between hippos and other species, including crocodiles, to which they appear to be dominant. A consideration of the hippo's relationships with its human neighbors and the prospects for its long-term conservation gives an important view of current conservation concerns. The book closes with three chapters devoted to the results of the author's recent survey on the distribution and abundance of the common hippo throughout Africa. This is the first such estimate to have been made on a continent-wide basis and the total population of about 170,000 was so much smaller than many people had expected, that it resulted in the common hippo being given special protection under the CITES convention.



Key Features:


  • The first complete work on both species of hippo, the river hippo and the pygmy hippo

  • Much of its data is drawn from the author's experiences while completing the IUCN Hippo Plan throughout Africa and in Uganda in particular

  • All aspects of hippo biology are covered

  • There has been no previous in depth study of the ecology and behavior of these mammals before

 

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Содержание

Introduction
1
Anatomy and Physiology
8
The Origins of Hippos
39
The Social Life of Hippos
47
Reproduction in Hippos
58
Diet and Feeding Habits of Hippos
74
The Ecology of Hippos
86
Diseases Parasites and Commensals of Hippos
110
Hippos and Man
120
The Distribution and Numbers of Hippo
134
The Distribution and Numbers of Hippopotamus amphibius in East Africa
153
The Distribution and Numbers of Hippopotamus amphibius in Southern Africa
162
References
173
Index
179
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