National Wildlife Federation Field Guide To Wildflowers Of North America

Author: David M. Brandenburg
Publisher: Sterling Publishing Company Incorporated
ISBN: 9781402741548
Size: 45.32 MB
Format: PDF, Docs
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Presents a comprehensive field guide that covers more than seven hundred species of wildflowers in North America, providing common and scientific names; flowering season; leaf, stalk, and blossom descriptions; and range maps.

Peterson Field Guide To Bird Sounds Of Eastern North America

Author: Nathan Pieplow
Publisher: Houghton Mifflin Harcourt
ISBN: 0547905602
Size: 73.74 MB
Format: PDF, ePub
View: 4930
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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.

A Field Guide To Mexican Birds

Author: Roger Tory Peterson
Publisher: Houghton Mifflin Harcourt
ISBN: 9780395975145
Size: 41.29 MB
Format: PDF
View: 6373
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Describes the calls, range, and male and female markings of more than one thousand species

All The Birds Of North America

Author: Jack Griggs
Publisher: Harper Collins
ISBN: 0060527706
Size: 52.98 MB
Format: PDF, ePub, Mobi
View: 5043
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A field guide to North American birds presents an identification method that uses panoramic illustrations, range maps, and an organization system based on habitat and characteristics.

Kaufman Field Guide To Insects Of North America

Author: Eric R. Eaton
Publisher: Houghton Mifflin Harcourt
ISBN: 9780618153107
Size: 51.87 MB
Format: PDF
View: 580
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Highlighted by more than two thousand digitally enhanced color photographs, a comprehensive guide to the insects of North America contains information--including life histories, behaviors, and habitats--on every major group of insects found ...