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Author: George B. Schaller
Publisher: Midway Reprint
ISBN: 9780226736518
Category : Science
Languages : en
Pages : 425
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Book Description
Wildlife behavior and ecology (er)
Author: George B. Schaller
Publisher: Midway Reprint
ISBN: 9780226736518
Category : Science
Languages : en
Pages : 425
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Book Description
Wildlife behavior and ecology (er)
Author: Sara Dykman
Publisher: Timber Press
ISBN: 1643260456
Category : Nature
Languages : en
Pages : 281
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Book Description
“What a wonderful idea for an adventure! Absolutely inspired, timely, and important.” —Alistair Humphreys, National Geographic Adventurer of the Year and author of The Doorstep Mile and Around the World by Bike Outdoor educator and field researcher Sara Dykman made history when she became the first person to bicycle alongside monarch butterflies on their storied annual migration—a round-trip adventure that included three countries and more than 10,000 miles. Equally remarkable, she did it solo, on a bike cobbled together from used parts. Her panniers were recycled buckets. In Bicycling with Butterflies, Dykman recounts her incredible journey and the dramatic ups and downs of the nearly nine-month odyssey. We’re beside her as she navigates unmapped roads in foreign countries, checks roadside milkweed for monarch eggs, and shares her passion with eager schoolchildren, skeptical bar patrons, and unimpressed border officials. We also meet some of the ardent monarch stewards who supported her efforts, from citizen scientists and researchers to farmers and high-rise city dwellers. With both humor and humility, Dykman offers a compelling story, confirming the urgency of saving the threatened monarch migration—and the other threatened systems of nature that affect the survival of us all.
Author: John Halliday
Publisher: Simon and Schuster
ISBN: 0689843380
Category : Criminals
Languages : en
Pages : 152
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Book Description
Macy and Danny, two teenage boy who have both grown up under difficult circumstances, turn out very differently--one becomes a hero, the other a murderer.
Author: Gail Gibbons
Publisher: Lerner Publishing Group
ISBN: 143013027X
Category : Juvenile Nonfiction
Languages : en
Pages : 32
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Book Description
"Bonnie Kelley-Young's narrative voice is well suited to the subject matter and its audience....The sound effects enhance the story and add to the sense of wonder." -AudioFile
Author: Karen S. Oberhauser
Publisher: Cornell University Press
ISBN: 0801455596
Category : Nature
Languages : en
Pages : 606
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Book Description
Monarch butterflies are among the most popular insect species in the world and are an icon for conservation groups and environmental education programs. Monarch caterpillars and adults are easily recognizable as welcome visitors to gardens in North America and beyond, and their spectacular migration in eastern North America (from breeding locations in Canada and the United States to overwintering sites in Mexico) has captured the imagination of the public. Monarch migration, behavior, and chemical ecology have been studied for decades. Yet many aspects of monarch biology have come to light in only the past few years. These aspects include questions regarding large-scale trends in monarch population sizes, monarch interactions with pathogens and insect predators, and monarch molecular genetics and large-scale evolution. A growing number of current research findings build on the observations of citizen scientists, who monitor monarch migration, reproduction, survival, and disease. Monarchs face new threats from humans as they navigate a changing landscape marked by deforestation, pesticides, genetically modified crops, and a changing climate, all of which place the future of monarchs and their amazing migration in peril. To meet the demand for a timely synthesis of monarch biology, conservation and outreach, Monarchs in a Changing World summarizes recent developments in scientific research, highlights challenges and responses to threats to monarch conservation, and showcases the many ways that monarchs are used in citizen science programs, outreach, and education. It examines issues pertaining to the eastern and western North American migratory populations, as well as to monarchs in South America, the Pacific and Caribbean Islands, and Europe. The target audience includes entomologists, population biologists, conservation policymakers, and K–12 teachers.
Author: Billy Reed
Publisher: Butler Books
ISBN: 9781935497073
Category : Rock musicians
Languages : en
Pages : 128
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Book Description
Author: William Henry Barneby
Publisher: London, Edward Stanford
ISBN:
Category : Canada
Languages : en
Pages : 384
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Book Description
Author: Samuel S. Wallihan
Publisher:
ISBN:
Category : Colorado
Languages : en
Pages : 662
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Book Description
Author: Julia Wilmotte Henshaw
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 416
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Book Description
Author: Raul Valdez
Publisher: University of Arizona Press
ISBN: 0816547122
Category : Science
Languages : en
Pages : 368
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Book Description
Mountain sheep epitomize wilderness for many people because they occupy some of the most inaccessible and rugged habitats known to man, from desert crags to alpine mountains. But of all hoofed mammals in North America, wild sheep present the greatest management problems to biologists. This book is a major reference on the natural history, ecology, and management of wild sheep in North America. Written by wildlife biologists who have devoted years of study to the animals, it covers Dall's and Stone's sheep and Rocky Mountain, California, and desert bighorn and examines a variety of factors pertinent to their life histories: habitat, diet, activity, social organization, reproduction, and population dynamics. Additional chapters consider distribution and abundance, adaptive strategies, and management guidelines. Discussions on diseases of wild sheep present a wealth of information that will be of particular use to wildlife biologists, including detailed clinical descriptions of conditions that threaten sheep populations, from pasteurellosis to capture myopathy. An appendix reviews the cytogenetics and genetics of wild sheep. North American wild sheep may face extinction in many areas unless critical questions concerning their management are answered soon. Prior to the publication of this book, there was no single reference available in which one could find such a synthesis of information. Mountain Sheep of North America provides that source and points toward the preservation of these magnificent wild creatures.
