Kategoria BISAC: Science >> Life Sciences - Zoology - Ornithology

120 species of crows, jays and their allies exist in the world today. Many are exceedingly beautiful in colour, grace and form, whereas others are black and somewhat sinister in appearance. In no other group of perching birds has evolution produced such a degree of variation, from the tiny Hume's Ground-Jay of the steppe-highlands of Tibet to the huge Thick-billed Raven of the mountains of Ethiopia. Some have had a long association with people and appear in tales of mythology and superstition, while others have been regarded as agricultural pests. The great majority, however, remain...

Almost two hundred species of birds have become extinct in the past 400 years, and a similar number today are in imminent danger of following them. The world's conservationists are leading the fight to prevent the demise of these remaining critically endangered birds, with a fair degree of success. This new book examines the process and issues concerning extinction - how and why it happens and what can be done about it. Whilst man is to blame for many of the causes, such as persecution and habitat loss, species have become extinct on a regular basis since life began. After several...

The Birdwatch Bird Book of the Year 2014

This book covers difficult identification issues by looking at tricky species pairs or groups of birds, and comparing and contrasting their respective features. Designed as a field companion, it supplements the standard field guides and provides much additional information. As well as detailed texts, the books include extensive illustrations of all
relevant ages and plummages of the species concerned.

Each chapter of Flight Ways focuses on a different species or group of birds: North Pacific...

The Labrador Duck is often mentioned in the same breath as the Passenger Pigeon, the Dodo, and the Great Auk--great species that once roamed the planet. The Labrador Duck became extinct somewhere around...

Examining and interpreting recent spectacular fossil discoveries in China, paleontologists have arrived at a prevailing view: there is now incontrovertible evidence that birds represent the last living dinosaur. But is this conclusion beyond dispute? In this book, evolutionary biologist Alan Feduccia provides the most comprehensive discussion yet of the avian and associated evidence found in China, then exposes the massive, unfounded speculation that has accompanied these discoveries and been published in the pages of prestigious scientific journals.

Advocates of the current...

Australia is home to a spectacular diversity of birdlife, from parrots and penguins to emus and vibrant passerines. Birds of Australia covers all 714 species of resident birds and regularly occurring migrants and features more than 1,100 stunning color photographs, including many photos of subspecies and plumage variations never before seen in a field guide. Detailed facing-page species accounts describe key identification features such as size, plumage, distribution, behavior, and voice. This one-of-a-kind guide also provides extensive habitat descriptions with a large number of...

Mixing colorful portraits with news on the latest fossil findings and interviews with leading paleontologists in the United States, China, Europe, and Australia, John Pickrell explains and details dinosaurs' development of flight. This special capacity...