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Résumé :
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The study of behaviour, much of it based on birds, became established in the first half of the twentieth century. At that time researchers were anxious that this new area of research should be both distinct and objective. They set clear boundaries about what was and what wasn't appropriate to study. The idea that birds might have feelings or emotions was out of bounds because it was both difficult to study and vulnerable to anthropomorphism. More recently, as the study of behaviour has increased in maturity and confidence, and with the introduction of new technologies such as functional magnetic resonance imaging (fMRI), researchers have started to explore the sensory biology of birds, including their emotions, with some startling discoveries that change the way we think about birds.
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