Peterson Field Guide To Bird Sounds Of Eastern North America

Author: Nathan Pieplow
Publisher: Houghton Mifflin Harcourt
ISBN: 9780547905600
Size: 16.88 MB
Format: PDF, Docs
View: 69

The first comprehensive guide to the sounds of eastern North American birds, featuring an innovative visual index that allows readers to quickly look up unfamiliar sounds in the field.​ Bird songs and calls are just as important as visual field marks in identifying birds. But until now, the only way to learn them was by memorization. With this groundbreaking book, it’s possible to visually distinguish bird sounds and identify birds using a field guide format. At the core of this guide is the spectrogram, a visual graph of sound. With a brief introduction to five key aspects—speed, repetition, pauses, pitch pattern, and tone quality—readers can learn to visualize sounds, without any musical training or auditory memorization. Picturing sounds makes it possible to search this book visually for a bird song heard in the field. The Sound Index groups similar songs together, narrowing the identification choices quickly to a brief list of birds that sound alike. Readers can then turn to the species account for more information and/or listen to the accompanying audio tracks available online, through Cornell's Lab of Ornithology. Identifying birds by sound is arguably the most challenging and important skill in birding. This book makes it vastly easier to master than ever before.

A Field Guide To Moths Of Eastern North America

Author:
Publisher: McDonald and Woodward Publishing Company
ISBN: STANFORD:36105114400489
Size: 17.83 MB
Format: PDF, Mobi
View: 87

Moths . . . has long been recognized as the most authoritative introduction to the moths of eastern North America. Intended for nonspecialists, but greatly appreciated by intermediate and advanced users, this book identifies and describes more than 1300 species in 59 families. The 1300 species, which include at least one in each of the 59 families present in the region, are those most likely to be encountered in eastern North America. Introductory chapters describe the anatomy and life cycle of moths and processes of collecting and preparing specimens. For each species, the book includes a description during the adult stage, the range as it was known in 1984, the flight season for adults, their relative abundance, and selected other information. Individual moths are portrayed from above, with wings extended, in 63 plates, many in color, while selected anatomical features, primarily wing shape and venation patterns, are illustrated in 76 black-and-white line drawings and photographs. Back and end matter includes a glossary of technical terms, generalized anatomical drawings, silhouettes of living moths at rest, and selected references and sources of additional information.

Behavior Of North American Mammals

Author: Mark Elbroch
Publisher: Houghton Mifflin
ISBN: 0618883452
Size: 20.45 MB
Format: PDF, ePub, Docs
View: 58

A comprehensive reference on animal behavior focuses on 70 North American mammal species and includes authoritative, engaging details about habitats, life cycles and daily and seasonal activities. 15,000 first printing.