The book starts to lose its pace by the halfway point, becoming a tad monotonous as you read of raven A circling ridge B for the 100th time. This is when the book is at it’s strongest, as you’re transported within the mind of a researcher: following his thought process, coming up with new imaginative theories and adjusting your ideas to the results. In fact the first run of the book mostly consists of setbacks and contradictory observations. Bernd writes with such enthusiasm, conveying the burning curiosity you’d need to make such hardship worthwhile. The book celebrates the field research in all its gritty detail lugging carcasses through blizzards, freezing in hides from the crack of dawn and endless setbacks. Why should a bird not renowned for its ‘communal spirit’, least of all at a time of year when food is so scarce, behave so altruistically? What starts off an inquisitive hobby transforms into a full on research project spanning several years as this question proves not so simple to answer. ‘Ravens in Winter’ is a field biologist’s detective story, compiled from the field notes of zoologist Bernd Heinrich, chronicling his efforts to explain a seemingly contradictory behaviour in ravens sharing food in winter. Charlie Hearst reviews Ravens In Winter by Bernd Heinrich (published by Vintage Books, 1991).
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