Böcker av National Audubon Society

A portable, comprehensive field guide to North American butterflies--brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket--from the go-to reference source for over 18 million nature lovers.This streamlined volume contains: a simple field guide identifying 80 of the most widespread butterflies in North America and a complete overview of observing butterflies, covering basic identifying field marks and practical tips for observing and distinguishing different butterflies.This pocket guide is packed with information; bright photographs capturing the butterflies perched with their wings spread and closed; specific descriptions of each species'' important identifying characteristics, life cycle, habitat and range, line drawings depicting the basic butterfly anatomy, a description of major butterfly groups and a glossary of technical terms.When observing these beautifully fragile creatures, the National Audubon Society Guide to Familiar Butterflies of North America is an excellent and handy reference guide to take along during any nature walk.

A portable, comprehensive field guide--brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket--from the go-to reference source for over 18 million nature lovers.This handy guide covers 80 of the most common and frequently encountered birds in backyards and suburban areas of eastern North America. The majority of species are songbirds, but here also are other backyard birds such as doves and woodpeckers. The region covered by the book extends roughly from the Atlantic Ocean west to the foothills of the Rocky Mountains, north of Mexico. This traditional dividing line between eastern and western North America follows the 100th meridian, and marks a significant difference in habitats and species. The companion volume to western birds covers species west of this boundary.

A portable, comprehensive field guide to North American animal tracks--brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket--from the go-to reference source for over 18 million nature lovers.Designed to help readers more fully understand how animals live and survive in the wilds, this guide is a must for every nature explorer. Detailed line drawings and text reveal clues found in an animal''s tracks that help identify it.

A portable, comprehensive field guide--brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket--from the go-to reference source for over 18 million nature lovers.Human beings have always looked to the skies: as clock and calendar, to divine the future, for spiritual guidance. Even today, astronomers study the night sky for the key to the mysteries of the universe, as they literally look back in time to when it all began. By learning your way around the sky, you can identify constellations that our ancestors knew and even search out distant galaxies and clusters of stars that may support worlds like our own. This guide covers the Northern Hemisphere skies season by season, with close-up looks at 54 constellations visible from northern latitudes, both the familiar and the less well known. This easy-to-use pocket guide is divided into four parts: introductory essays and drawings, illustrated tours of the sky, illustrated descriptions of the constellations, and appendices.

Updated for the first time in decades, this unparalleled reference work is the most comprehensive and authoritative guide to the birds of North America and now includes the latest information on conservation status and the effects of climate change--from the world''s most trusted name in birding, beloved by millions of backyard enthusiasts and experts alike“If you’ve ever wondered what birds show up in your backyard or which species you see when your family is on vacation, then this beautiful, freshly updated bird guide from the National Audubon Society is perfect for you.” —Portland Book ReviewDeveloped by the creators of the best-selling Audubon field guides, this handsome volume is the result of a collaboration among leading scientists, scholars, taxonomic and field experts, photo editors, and designers. An indispensable reference, it covers more than 800 species, with over 3,500 full-color photographs of birds in their natural habitat, often with four or five images of each species. For ease of use, the book includes a glossary, an index, and a ribbon marker, and is arranged according to the American Ornithological Society''s latest Checklist of North and Middle American Birds—with birds sorted by taxonomic orders and grouped by family, so that related species are presented together. Range maps, reflecting the impact of climate change, accompany nearly every entry, along with a physical description and information on voice, nesting, habitat, and similar species. This guide also includes an important new category on conservation status and essays by leading scholars in each field who provide holistic insights into the world of birds. Whether trying to determine which owl is interrupting your dinner or successfully identifying all of the warblers that arrive in spring, readers will come to rely on this work of remarkable breadth, depth, and elegance. It is a must-have reference for the library of any birder, and is poised to become the number one guide in the field.

Virtually every bird found in western North America is brought to life in this portable guide, an essential companion in the field and a staple in any birdwatcher's library-a birding bible for more than four million enthusiasts!This bestselling field guide features a durable vinyl binding and brilliant full-color photographic identification pictures arranged for quick access and definitive text, including information on the bird's voice, nesting habits, habitat, range, and interesting behaviors. Accompanying range maps; overhead flight silhouettes; and sections on bird-watching, accidental species, and endangered birds make the National Audubon Society's Field Guide to North American Birds the most comprehensive available.Note: The Western Edition covers the Rocky Mountain range and all the states to the west of it, while the Eastern Edition generally covers states east of the Rocky Mountains.

The most comprehensive field guide available to the fabulous mysteries above--a must-have for any enthusiast's day pack or home library--from the go-to reference source for over 18 million nature lovers.The National Audubon Society Field Guide to the Night Sky provides a concise guided tour of the heavens, from planets in our solar system to the constellations in both the Northern and Southern hemispheres, stars, galaxies, astronomical bodies, phenomena, comets, and more. Featuring a durable vinyl binding, over 700 full-color photographs, sky charts, and constellation charts, as well as detailed descriptive text, this comprehensive, easy-to-use field guide is the perfect companion volume for any stargazer.