Download Avian Navigation: Pigeon Homing as a Paradigm by Hans G. Wallraff PDF

By Hans G. Wallraff

ISBN-10: 3540223851

ISBN-13: 9783540223856

How migratory birds can navigate domestic from their wintering grounds to their breeding websites over 1000s and millions of kilometres has been an well-known secret over greater than a century. Profound advances in the direction of an answer of this challenge were accomplished with a version poultry, the homing pigeon. This monograph summarizes our present wisdom approximately pigeon homing, in regards to the birds' software of a solar compass and a magnetic compass, of a visible topographical map inside of a well-recognized zone and -- so much unusually -- of an olfactory map utilizing atmospheric chemosignals as signs of place in far away unexpected areas.

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Download Malformed Frogs: The Collapse of Aquatic Ecosystems by Michæl J. Lannoo PDF

By Michæl J. Lannoo

ISBN-10: 0520255887

ISBN-13: 9780520255883

The frequent visual appeal of frogs with deformed our bodies has generated a lot press insurance over the last decade. Frogs with additional limbs or digits, lacking limbs or digits, or misaligned appendages increase an alarming query: "Are deformed people next?" Taking a clean examine this nerve-racking environmental challenge, this reference offers a balanced review of the technological know-how in the back of the malformed frog phenomenon. Bringing jointly information from ecology, parasitology, and different disciplines, Michael Lannoo considers the prospective factors of those deformities, tells which frogs were affected, and addresses questions on what those malformations may well suggest to human populations. that includes high quality radiographic photos, Malformed Frogs means that our concentration may be on discovering useful recommendations, a key portion of as a way to be controlling chemical, nutrient, and pesticide runoff into wetlands.

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Download Animals. Животные by Э. Боума, Т.Б. Клементьева PDF

By Э. Боума, Т.Б. Клементьева

Книга Animals. Животные Animals. Животные Книги Иностранные языки Автор: Э. Боума, Т.Б. Клементьева Год издания: 2008 Формат: pdf Издат.:Аст-пресс школа Страниц: 48+17 Размер: eighty five Язык: Английский0 (голосов: zero) Оценка:Новый игровой курс английского языка "Животные" знакомит детей с разнообразным миром животных, учит называть по-английски обитателей фермы; зверей, птиц, насекомых леса, зоопарка; морских обитателей, а также ребята запомнят множество новых глаголов и прилагательных. Песни, стихи, подвижные и пальчиковые игры, весёлые задания делают процесс изучения увлекательным. Вкомплекте: книгаученика и рабочая тетрадь. Для детей дошкольного и младшего школьного возраста (4-7 лет).

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Download Song of the North Wind: A Story of the Snow Goose by Paul A. Johnsgard PDF

By Paul A. Johnsgard

ISBN-10: 0803275528

ISBN-13: 9780803275522

A needs to learn for each poultry lover, Johnsgard's concise and informative account of the yr within the lifetime of a Snow Goose used to be actually an stress-free learn. In overall, the textual content runs simply over a hundred pages, and there are many black & white pictures, a lot of which aren't, besides the fact that, of Snow ducks.

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Download Advanced Ecological Theory: Principles and Applications by J. McGlade PDF

By J. McGlade

ISBN-10: 0865427348

ISBN-13: 9780865427341

Complex Ecological thought is meant for either postgraduate scholars researchers in ecology. It presents an outline of present advances within the box in addition to heavily similar components in evolution, ecological economics, and natural-resource administration, familiarizing the reader with the mathematical, computational and statistical methods utilized in those diverse parts. The publication has an exhilarating set of numerous contributions written by way of best specialists.

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Download World of Hummingbirds by Erik Hanson PDF

By Erik Hanson

ISBN-10: 0811736067

ISBN-13: 9780811736060

Attractive common heritage details for a basic viewers on the most liked teams of birds, together with pointers on attracting and observing hummingbirds
Stunning pictures of universal North American and unique global species
Explains the main points of the tiny hummingbird's extraordinary twice-yearly migration
More than a dozen species of hummingbirds reside in North the United States, and rankings extra stay within the southern tropics. info of those attention-grabbing creatures' lives within the wild are provided in an easy-to-read layout.

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Download Biggest, Strongest, Fastest by Steve Jenkins PDF

By Steve Jenkins

ISBN-10: 0395861365

ISBN-13: 9780395861363

The most important snake, the anaconda, can swallow a deer or goat complete. The smallest mammal, the Etruscan shrew, might simply sleep in a teaspoon.

In a awesome full-color university, every one unfold of Biggest, most powerful, Fastest portrays an animal that sticks out within the animal global because the greatest, slowest, longest lived. Readers can see the animal's measurement relating to anything commonly used, and a chart at the final web page exhibits the scale, weight, and vitamin of every animal, in addition to the place it may be present in the wild.

Biggest, most powerful, Fastest is an exciting, informative advent to the "world records" held by way of fourteen individuals of the animal nation.

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