Examines different species of bats, highlighting the way that they use sound to navigate at night.

Thomas H. Kunz is a professor of biology and director of the Center for Ecology and Conservation Biology at Boston University. He is the editor of Bat Biology and Conservation and Bat Ecology. Stuart Parsons is a senior lecturer in biological sciences at the University of Auckland, New Zealand -- Jacket.

Comprehensive history of crypto-Jewish beliefs and social customs.

The Viva Natura: Field Guide to the Amphibians, Reptiles, Birds and Mammals of Western Mexico is the first publication of its kind written about the fauna of this region. The purpose of the field guide is to introduce the reader to the wealth of amphibians, reptiles, birds and mammals of Western Mexico and help identify them in the field. This guide contains the vast majority of the conspicuous animals of the region. In this second edition there are 230 species in this guide and a total of 440 full-color photos. The guide is extremely easy to use. The book is completely bilingual (English and Spanish). The book commences with a brief introduction to the study area, its geography, climate and ecosystems. Chapters dedicated to the four groups of fauna (amphibians, reptiles, birds and mammals) follow. Each chapter begins with an introduction followed by photographic plates that depict conspicuous species of the study area. All photos were taken by the author himself and with few exceptions, show animals in their natural habitat under completely natural conditions. Each species is described by both its common and scientific names and also by a set of icons that illustrate the species characteristics, such as its habits, diet, preferred habitat, protection status, ect. Color bands on the outer edge of each species plate indicate one of the three principal habitat types (Ocean, Coast and Islands, Freshwater, Forest and Gardens) where this particular species can be observed most frequently. Silhouette thumbs on the plates edges portray a typical member of each group of fauna, making browsing the guide more efficient. The final chapter of the book is dedicated to the conservation issues inside the study area. The book is supported by a companion website where additional texts, photos and also videos and sounds can be found.

A highly valuable dictionary of the Mopan (Mayan) language, providing introductory grammatical description, as well as parts of speech, examples, cross-references, variant forms, homophones, and indexes....

This volume presents the proceedings of the NATO Advanced Study Institute on "Advances in Vertebrate Neuroethology" held at the University of Kassel, Federal Republic of Germany in August 1981. During the last decade much progress has been made in understanding the neurophysiological bases of behavior in both vertebrates and invertebrates. The reason for this is that a number of new physiological, anatomical, and histochemical techniques have recently been developed for brain research which can now be combined with ethological methods for the analysis of animal behavior to form a new field of research known as "Neuroethology". The term Neuroethology was originally introduced by S.L.Brown and R.W.Hunsperger (1963) in connection with studies on the activation of agonistic behaviors by electrical brain stimulation in cats. Neuroethology was more closely defined by G.Hoyle (1970) in the context of a review on cellular mechanisms underlying behavior of invertebrates. Since the 6th annual meeting of the Society for Neuroscience held in Toronto in 1976, Neuroethology has become established as a session topic.

The first edition of Tropical Rain Forests: an Ecological and Biogeographical Comparison exploded the myth of ‘the rain forest’ as a single, uniform entity. In reality, the major tropical rain forest regions, in tropical America, Africa, Southeast Asia, Madagascar, and New Guinea, have as many differences as similarities, as a result of their isolation from each other during the evolution of their floras and faunas. This new edition reinforces this message with new examples from recent and on-going research. After an introduction to the environments and geological histories of the major rain forest regions, subsequent chapters focus on plants, primates, carnivores and plant-eaters, birds, fruit bats and gliding animals, and insects, with an emphasis on the ecological and biogeographical differences between regions. This is followed by a new chapter on the unique tropical rain forests of oceanic islands. The final chapter, which has been completely rewritten, deals with the impacts of people on tropical rain forests and discusses possible conservation strategies that take into account the differences highlighted in the previous chapters. This exciting and very readable book, illustrated throughout with color photographs, will be invaluable reading for undergraduate students in a wide range of courses as well as an authoritative reference for graduate and professional ecologists, conservationists, and interested amateurs.