How and why do trout think? How do they decide where to eat and which food to eat? Why do they refuse to behave as predicted, stumping anglers by rejecting a larger fly for a smaller one or not responding at all to anything in an angler’s box? How do trout know to bolt to one particular covered area after being hooked or flushed? Why can trout smell better than humans but not remember as well? Citing the most recent scientific findings in a readily understandable form, Thomas C. Grubb, Jr. addresses these questions and more in The Mind of the Trout. It is the first book to bring together many varied concepts of cognitive ecology as applied to trout and their salmonid relatives: char, salmon, grayling, and whitefish.
This is the first book to summarize the methods, conceptual issues and results of studies using the interpretation of feather growth rates as an index of nutritional condition in birds. The author has coined the term ptilochronology (literally, 'the study of feather time') to describe this technique, which relies on the fact that as a feather grows it produces visible growth bars. Both the technique and its conceptual foundations have been applied worldwide to numerous studies ofavian evolution, ecology, and conservation biology. The author reviews this work, chronicles the various criticisms that have been made, and describes how these have influenced the development of ptilochronology. He goes on to suggest experimental methodologies and analytical techniques to safeguardagainst invalid results. A final chapter summarises this new technique's contribution to avian biology, and suggests potential applications and a future research agenda. An appendix details specific measurements and describes the methodology associated with ptilochronology.Ptilochronology provides a practical resource as well as a conceptual understanding of how this technique can be used to address important questions in avian biology. It will be of relevance and use to professional avian biologists and ornithologists as well as to graduate students of avian behavioural ecology, evolution and conservation.
Ornithologist Thomas Grubb explores the habitat and activity of this sprightly backyard visitor and its relationships within the bird community and with its human neighbors. Full-color photographs illustrate the full range of the bird's life and behavior, including courtship, nesting, fledging, communicating, and flying. This up-close, in-depth natural history of a popular species makes an excellent resource for all birders. 135 color photos.
This is the first book to summarize the methods, conceptual issues and results of studies using the interpretation of feather growth rates as an index of nutritional condition in birds. The author has coined the term ptilochronology (literally, 'the study of feather time') to describe this technique, which relies on the fact that as a feather grows it produces visible growth bars. Both the technique and its conceptual foundations have been applied worldwide to numerous studies ofavian evolution, ecology, and conservation biology. The author reviews this work, chronicles the various criticisms that have been made, and describes how these have influenced the development of ptilochronology. He goes on to suggest experimental methodologies and analytical techniques to safeguardagainst invalid results. A final chapter summarises this new technique's contribution to avian biology, and suggests potential applications and a future research agenda. An appendix details specific measurements and describes the methodology associated with ptilochronology.Ptilochronology provides a practical resource as well as a conceptual understanding of how this technique can be used to address important questions in avian biology. It will be of relevance and use to professional avian biologists and ornithologists as well as to graduate students of avian behavioural ecology, evolution and conservation.
How and why do trout think? How do they decide where to eat and which food to eat? Why do they refuse to behave as predicted, stumping anglers by rejecting a larger fly for a smaller one or not responding at all to anything in an angler’s box? How do trout know to bolt to one particular covered area after being hooked or flushed? Why can trout smell better than humans but not remember as well? Citing the most recent scientific findings in a readily understandable form, Thomas C. Grubb, Jr. addresses these questions and more in The Mind of the Trout. It is the first book to bring together many varied concepts of cognitive ecology as applied to trout and their salmonid relatives: char, salmon, grayling, and whitefish.
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