The American Crow and the Common RavenLawrence Kilham was a Fellow of the American Ornithologists' Union, professor of microbiology emeritus of Dartmouth Medical School, and a distinguished virologist. He passed away in 2000. "This definitive study is a gem for both American birders and serious ornithologists." --The Indianapolis News " . . . remarkable behaviors are reviewed and discussed with a rich assortment of anecdotes from the author's 8,000 hours of field observations. . . . This book explains especially the social systems of these birds, from cooperative breeding to predator mobbing. Difficult topics such as 'play' and 'thinking' in crows are interestingly and critically presented. . . . an appealing volume." --Choice " . . . his book is one of the best, most informative and engaging ones yet written about how some of these birds live, think, and feel. Kilham on crows compares favorably with Tinbergen on gulls, Goodall on chimpanzees, and Lorenz on dogs and jackdaws." --Smithsonian "The book has style and is outstanding in many ways. . . . His method is remarkable: He refuses to intervene and does not even mark individual birds. His intensive observation of birds used to the observer, however, allow him to follow the behavior and fate of particular individuals carefully. --Journal für Ornithologie "His interpretations and descriptions are also remarkable. --Journal für Ornithologie . . . Study of the text promises to be profitable because the author is well-read and displays an outstanding style. Enjoyment of his book is enhanced by its makeup with generous layout and black-and-white pictures. . . . The book could be an incentive for European scientists to re-examine the social systems of crows and other corvids, keeping in mind different conditions of habitat and interpreting results in the light of evolutionary-biological hypotheses. Kilham himself takes an initial step in this regard in a special summarizing chapter." --Journal für Ornithologie "Kilham's independent and somewhat unorthodox approach to research has particular value to amateur birders . . . The many citations in the text and an extensive list of references suggest Kilham has much confidence in his opinions and the 'chance observation' facts he reports. Readers will be motivated to rethink some conventional wisdom on how best to pursue studies of animal behavior. His research activities should inspire other retirees." --Jack DeForest "Kilham's work is a testament to the importance of amateurs to ornithology. . . . Amateurs will certainly enjoy his stories of interesting behaviors and exploits with pet corvids. The illustrations are wonderful and Kilham's insights into crow and raven sociality are important." --Auk "If you are interested in bird behaviour, you will enjoy reading this book. Joan Waltermire's sketches nicely complement the text." --C. Stuart Houston "This is a well-written, thoughtful, beautifully illustrated book that was a joy to read. . . . Kilham is to be congratulated for providing us with a greater level of insight into crows and ravens (particularly the former) than we previously had." --Quarterly Review of Biology " . . . simple, clear descriptive prose, a pleasure to read and fullof fascinating details of American crow and raven life. . . . This should be a prime book for collectors . . . beautifully illustrated in dramatic pen-and-ink drawings that even convey the glossiness of crows' and ravens' plumage." --Books about Birds " . . . an unusually detailed and sometimes inspiring account of the lives of the American Crow Corvus brachhrhrnchos and the Raven C. corax." --British Birds |
Contents
| 3 | |
| 13 | |
2 Varieties of Foraging | 15 |
3 Foraging in Relation to Mammals | 26 |
4 Territory and Food Storing | 38 |
5 Behavior in the Early Part of the Breeding Cycle | 51 |
6 Onset of Nesting | 64 |
7 Cooperative Nesting | 77 |
Part III CROW BEHAVIOR IN GENERAL | 147 |
12 Miscellaneous Behavior and Attributes | 148 |
13 Play and Thinking | 158 |
14 Evolutionary Aspects of the American Crow Social System | 171 |
Part IV RAVENS IN NEW HAMPSHIRE | 183 |
15 Behavior of Ravens in Lyme | 187 |
16 Handraised Ravens | 199 |
17 The Wild and the Tame | 216 |
Other Interspecific Interactions | 92 |
Part II CROWS IN NEW HAMPSHIRE | 107 |
9 Summer and Fall | 109 |
10 Winter and Spring | 122 |
11 Handraised Crows | 136 |
Epilogue | 229 |
Scientific Names | 231 |
| 235 | |
| 251 | |
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Common terms and phrases
able adult alighted American Crows animals appeared attacked auxiliaries begging behavior bill birds breeding calls carried Carrion Crows cawing close coming Common continued cooperative corn Corvus described distance drive early eggs eight farm feathers February feeding female field fish five flew flock Florida flying foraging four gave giving ground hawk head heard helpers incubation January Jays later leave look male March mate meters minutes mobbing morning moved nest nestlings never noted observed occasions once pair pasture perched period picked pieces play predators prey pulling ranch ravens Red-tailed remained returned robbing Rooks season seemed seven side similar snow sometimes sounds species started station sticks storing success tail territorial third took tree Turkey usually visited vocalizations Vultures walked watched weeks wild wings winter woods yearlings young
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