owls of the united states and canada a complete guide to their biology and behavior

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Owls Of The United States And Canada

Author : Wayne Lynch
ISBN : 0801886872
Genre : Nature
File Size : 20. 82 MB
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In this gorgeous book, celebrated natural history writer and wildlife photographer Wayne Lynch reveals the secrets of owls with stunning photographs, personal anecdotes, and accessible science. The photos alone are masterpieces--the vast majority were taken in the wild. From the great horned to the tiny elf owl, this amazing volume captures the beauty and mystery of these charismatic birds of prey.Johns Hopkins University Press

Polar Bears

Author : Andrew E. Derocher
ISBN : 1421403056
Genre : Science
File Size : 57. 42 MB
Format : PDF
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Presents an introduction to the polar bear, discussing its evolution, physical characteristics, life cycle, predatory behavior, habitat, and the threats to its existence from global warming.

Birds Of The World

Author : Jason A. Mobley
ISBN : 0761477756
Genre : Juvenile Nonfiction
File Size : 40. 15 MB
Format : PDF
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Birds of all imaginable sizes, shapes, colors, and patterns are nearly everywhere we might care to look, expressing a bewildering array of behaviors and strategies for successful living among all manner of challenges to survival.

Global Warming And Population Responses Among Great Plains Birds

Author : Paul Johnsgard
ISBN : 9781609620646
Genre : Birds
File Size : 81. 91 MB
Format : PDF
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"Based on an analysis of 47 years (1967-2014) of Audubon Christmas Bird Counts (CBC), evidence for population changes and shifts in early winter (late December) ranges of nearly 150 species of birds in the Great Plains states is summarized, a region defined as including the Dakotas, Nebraska, Kansas, Oklahoma, and the Texas panhandle. The rationale for this study had its origins in Terry Root's 1988 Atlas of North American Wintering Birds. ...The present analysis includes all of the 40 annual CBC surveys from the 1967-8 to the 2006-7 counts, plus the results of the most recent 2013-14 CBC. The present summary quantitatively describes the early winter abundance for 147 of the most commonly encountered regional species, illustrating their temporal changes in geographic distributions and relative abundance between 1967 and 2014." -- publisher description.

Penguins

Author : Gerald L. Kooyman
ISBN : 9781421410524
Genre : Science
File Size : 25. 19 MB
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Flightless, iconic birds made even more famous by the 2005 film March of the Penguins, penguins conjure up images of caring parents, devoted couples, and tough survivors. In Penguins: The Animal Answer Guide, Gerald L. Kooyman and Wayne Lynch inform readers about all seventeen species, including the emperor penguin featured in the film. Do you know why penguins live only in the Southern Hemisphere? Or that they can be ferocious predators? Why are penguins black and white? Do they play? This book answers these questions and many more, illuminating the fascinating biology and evolutionary history of these odd birds. Kooyman has studied penguins for decades, and Lynch’s photographs of penguins in the wild are the best ever captured. The result of their combined effort is a book that answers every penguin question you've ever had. Whether you hope to travel to the Southern Hemisphere or simply want to learn more about wildlife, Penguins: The Animal Answer Guide deserves a spot on your bookshelf.

Owls Of The World

Author : James R. Duncan
ISBN : 1552978451
Genre : Nature
File Size : 75. 78 MB
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Describes 205 species of owls and explores the nature of owls, their place in mythology and culture, and protection efforts.

Florida Manatees

Author : John E. Reynolds III
ISBN : 9781421421919
Genre : Nature
File Size : 59. 59 MB
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Manatees, the gentle giants of Florida’s lagoons and coastal habitats, can bring a smile to the face of anybody lucky enough to spy one. As manatees dip and roll through the water, crowds gather to watch them feed on aquatic vegetation. Whether they are congregating by the hundreds or resting or feeding alone, viewing these sea cows can provide anyone interested in nature with hours of tranquil pleasure. Having survived for eons, today’s manatees are now under constant threat due to our rapidly swelling human population. Their habitats are often devastated by development and pollution. The slow-moving manatees also live at the mercy of chance, for they occupy waters filled with fast-moving boats powered by razor-sharp propellers—a new form of predator from which they have no protection. Boat speed limits have been put in place to protect manatees, but there is a constant push to lift them so that people can once again zip across the waters that manatees call home. For this reason, manatees are often a subject of controversy that pits their lives against the rights of boat owners. In this book, manatee expert John E. Reynolds III and famed photographer Wayne Lynch join forces to reveal the clearest portrait of manatees ever published. Florida Manatees is a song for the manatee, a celebration of the lives of these majestic creatures. Reynolds’s concise, informative text shares what scientists know about manatees, while Lynch’s beautiful photographs instantly demonstrate how special these "potatoes with whiskers" really are. By encouraging an appreciation of manatees, the authors hope to help ensure a future in which Floridians can find ways to coexist with and continue to enjoy these uniquely wonderful sirenian inhabitants of their state. Included in this book:· How manatees first came to Florida waters· How manatees fit into the ecosystems of Florida· What and how much manatees eat· How manatees behave and communicate with one another· Why manatees look the way they do· Why manatees have whiskers· How manatee mothers feed their young and much more

Quill Quire

Author :
ISBN : STANFORD:36105029523607
Genre : Book industries and trade
File Size : 75. 30 MB
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Choice

Author :
ISBN : UCSC:32106017985323
Genre : Academic libraries
File Size : 83. 1 MB
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Great Horned Owl

Author : Dwight G. Smith
ISBN : 0811726894
Genre : Nature
File Size : 21. 71 MB
Format : PDF
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A complete natural history of the species, in straightforward text and brilliant color photographs.

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