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2 produkter
2 produkter
2 311 kr
Skickas inom 5-8 vardagar
This book is the first to present a copmprehensive overview of the diverse kinds of birds and interactions involved in avian brood parasitism. This phenomenon has attracted the interests of naturalists and evolutionists since Darwin, yet very few researchers applied modern evolutionary theory and experimental methods to the study of the adaptations for and against brood parasitism by parasitic birds and their hosts until 25 years ago. The amount of work being done on parasitic birds has grown at an accelerating rate in the last decade as numerous researchers have begun to pursue the study of these birds.
Ecology and Management of Cowbirds and Their Hosts
Studies in the Conservation of North American Passerine Birds
Häftad, Engelska, 2000
552 kr
Skickas inom 10-15 vardagar
In the past two centuries, cowbirds have increased in numbers and extended their range across North America, while many of the native songbird species whose nests they parasitize to raise their young have declined. This timely book collects forty essays by most of the principal authorities on the biology and management of cowbirds. The book's goals are to explore the biology of cowbirds, the threats they pose to host species and populations, and the management programs that are being undertaken to minimize these threats. The book is organized into five sections, each with an extended editors' introduction that places the contributions in a broad, up-to-date setting. The sections cover: The changing abundance of cowbirds and the ways in which their numbers can be estimated. Host choice by cowbirds, the negative effects of cowbirds on particular host species, and the daily patterns of cowbird behavior. Behavioral interactions between cowbirds and specific host species. Patterns of cowbird abundance and host use across varying landscapes. Management programs designed to control cowbirds and protect threatened songbirds.