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Peterson Field Guide To Moths Of Northeastern North America

Autor: David Beadle
Publisher: Houghton Mifflin Harcourt
ISBN: 0547727437
File Size: 24,65 MB
Format: PDF, ePub, Mobi
Read: 1264
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There are thousands of moth species in the northeast of North America, and while it might seem that they are all drab grays and browns, there is actually a startling variety. They come in a rainbow of colors, from brilliant oranges and pinks to soft greens and violets. There are moths with colorful leopard-like spots, and ones that look more like B-movie aliens; some that are as large as your hand, and others the size of a grain of rice. With helpful tips on how to attract and identify moths, range maps and season graphs showing when and where to find each species, and clear photographs that use the unique Peterson arrow system for easy identification, this guide provides everything an amateur or experienced moth-watcher needs. Sponsored by the National Wildlife Federation and the Roger Tory Peterson Institute.

Peterson Field Guide To Bird Sounds Of Western North America

Autor: Nathan Pieplow
Publisher: Houghton Mifflin Harcourt
ISBN: 0547905610
File Size: 25,43 MB
Format: PDF, Mobi
Read: 1390
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A comprehensive field guide that uses an innovative Sound Index to allow readers to quickly identify unfamiliar songs and calls of birds in western North America. Bird songs and calls are at least as important as visual field marks in identifying birds. Yet short of memorizing each bird’s repertoire, it’s difficult to sort through them all. Now, with the western edition of 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 translate what they hear into visual recognition, without any musical training or auditory memorization. The Sound Index groups similar songs together, narrowing the identification choices quickly to a brief list of birds that are likely to be confused because of the similarity of their songs. Readers can then turn to the species account for more information and/or listen to the accompanying audio tracks available online. 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.

Peterson Reference Guide To Sparrows Of North America

Autor: Rick Wright
Publisher: Peterson Reference Guides
ISBN: 0547973160
File Size: 5,32 MB
Format: PDF, Mobi
Read: 9084
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Sparrows are as complicated as they are common. This is an essential guide to identifying 76 kinds, along with a fascinating history of human interactions with them. What, exactly, is a sparrow? All birders (and many non‑birders) have essentially the same mental image of a pelican, a duck, or a flamingo, and a guide dedicated to waxwings or kingfishers would need nothing more than a sketch and a single sentence to satisfactorily identify its subject. Sparrows are harder to pin down. This book covers one family (Passerellidae), which includes towhees and juncos, and 76 members of the sparrow clan. Birds have a human history, too, beginning with their significance to native cultures and continuing through their discovery by science, their taxonomic fortunes and misfortunes, and their prospects for survival in a world with ever less space for wild creatures. This book includes not just facts and measurements, but stories--of how birds got their names and how they were discovered--of their entanglement with human history.

Using The Biological Literature

Autor: Diane Schmidt
Publisher: CRC Press
ISBN: 1466558571
File Size: 5,58 MB
Format: PDF, ePub, Docs
Read: 670
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The biological sciences cover a broad array of literature types, from younger fields like molecular biology with its reliance on recent journal articles, genomic databases, and protocol manuals to classic fields such as taxonomy with its scattered literature found in monographs and journals from the past three centuries. Using the Biological Literature: A Practical Guide, Fourth Edition is an annotated guide to selected resources in the biological sciences, presenting a wide-ranging list of important sources. This completely revised edition contains numerous new resources and descriptions of all entries including textbooks. The guide emphasizes current materials in the English language and includes retrospective references for historical perspective and to provide access to the taxonomic literature. It covers both print and electronic resources including monographs, journals, databases, indexes and abstracting tools, websites, and associations—providing users with listings of authoritative informational resources of both classical and recently published works. With chapters devoted to each of the main fields in the basic biological sciences, this book offers a guide to the best and most up-to-date resources in biology. It is appropriate for anyone interested in searching the biological literature, from undergraduate students to faculty, researchers, and librarians. The guide includes a supplementary website dedicated to keeping URLs of electronic and web-based resources up to date, a popular feature continued from the third edition.

A Field Guide To California And Pacific Northwest Forests

Autor: John C. Kricher
Publisher: Houghton Mifflin Harcourt
ISBN: 9780395928967
File Size: 24,81 MB
Format: PDF, ePub, Docs
Read: 3608
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A detailed guide brings to life the beauty, inhabitants, and various kinds of trees and plants of the Sierra Nevada forests, the California forests, the Pacific Northwest forests, and the boreal forests of Canada and Alaska. Original.

Laboratory Studies In Zoology

Autor: Cleveland P. Hickman
Publisher: McGraw-Hill Science/Engineering/Math
ISBN: 9780072909661
File Size: 4,18 MB
Format: PDF, Docs
Read: 9988
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"Laboratory Studies in Integrated Principles of Zoology uses a comprehensive, phylogenetic approach in emphasizing basic biological principles, animal form and function, and evolutionary concepts. This introductory lab manual is ideal for a one- or two-semester course. The new edition expertly combines up-to-date coverage with the clear writing style and dissection guides that have distinguished this manual from edition to edition.