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This is the first re-appraisal in 50 years of concepts of development made in birds. This book is a case study in evolutionary diversification of life histories. Although birds have a rather uniform body plan and physiology, they exhibit marked variation in development type, parental care, and rate of growth. Altricial birds are fully dependent on their parents for warmth and nutrition and begin posthatching life in a more or less embryonic condition. At the other extreme, such superprecocial species as the megapodes are independent of all parental care from hatching, and the neonate, able to fly, resembles an adult bird. This book thus attempts to present an integrative perspective of organism biology, ecology, and evolution.
Picture your downtown vacant, boarded up, while the malls surrounding your city are thriving. What would you do? In 1974 the politicians, merchants, community leaders, and business and property owners, of Ithaca, New York, joined together to transform main street into a pedestrian mall. Cornell University began an Industrial Research Park to keep and attract jobs. Developers began renovating run-down housing. City Planners crafted a long-range plan utilizing State legislation permitting a Business Improvement District (BID), with taxing authority to raise up to 20 percent of the City tax rate focused on downtown redevelopment. Shaping a City is the behind-the-scenes story of one developer’...
A Memoir and Poetry. I did not want to write a biography; there are plenty of those about him in professional journals. Just look online for Dr. Robert R. L. Guillard and you'll find them, replete with affectionate and amusing stories by his students and colleagues. You can also find references to his many scientific papers on phytoplankton ecology.
Children's book tells the story of a cow who is rescued from the difficult life on a dairy farm and makes the point that it is important that animals be treated well and humanely.
This is the only English-language publication devoted exclusively to extensive reviews and synthesis of topics on the biology of birds. The current volume includes articles on sibling competition, predation and the limitation of bird numbers, and population trends in birds of eastern North America.
A number of average people are making their fortunes by investing in real estate, and you can join them. Mack Travis is the perfect person to show you how because he was once one of those everyday people. He dreamed of becoming an actor, but when he found himself with just five dollars left in his pocket, he got practical. Today, Travis owns millions of dollars worth of income properties. In this guidebook, he shares inspiring stories that will help you become a successful real estate investor. Get ready to learn how to overcome the fear thats preventing you from acting; purchase properties and succeed as others have; find, locate, and negotiate the best deals; maximize the value of your purchases; get started even with little cash. Emerge with the tools and inspiration you need to achieve financial independence. Start learning today and begin Creating an Independent Income in Real Estate!
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The forty-two species or subspecies of ducks which occur in Europe, including eleven vagrants from North America or Asia, are the subject of this book. Its author is an accepted authority on ducks and geese, and has been a member of the research staff of the Wildfowl Trust at Slimbridge since 1960.Most birdwatchers consider ducks to be especially attractive and interesting birds, and many species of ducks are also the legitimate quarry of wildfowlers. Both groups need to identify the species quickly and accurately, and almost half of the book is devoted to identification, offering a far more detailed account than is to be found in any of the field guides. There are detailed descriptions, spe...
"Wildfowl and screamers belong to a highly diverse family of birds, confined to watery habitats. They are amongst the most attractive of birds and are very well-known to man, who has domesticated them, used their feathers for warm clothing and ornamentation, admired their flight, courtship and migration, caught them for food, maintained them in captivity for pleasure, and written about their doings in delightful children's stories, from Mother Goose to Jemima Puddleduck and Donald Duck. They occur throughout the world except Antarctica. Some are faithful to the same partner for life, others for only the few minutes of copulation. In some species, male and female make devoted parents, and yet there is one within the group whose female lays her eggs in the nests of others and never incubates. Diving as a method of obtaining food has evolved many times within the family. Most nest in the open but others in the tree-hole nests of woodpeckers and some in the ground burrows of rabbits or aardvarks. They may be highly social or solitary, defending a large territory." -- publisher website.
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