Birds are often associated with intelligence, from crows using tools to parrots learning complex behaviours. But what actually makes some birds better problem-solvers than others? Scientists have now ...

Biologist Lefebvre makes his English-language debut with an intriguing study of how birds learn, solve problems, and communicate. Drawing on his field work in Barbados, he demonstrates that birds are ...

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Being strongly right- or left-handed might be a sign of intelligence – for bird brains, at least. Ambidextrous parrots are a lot less smart than their left- or right-biased counterparts, say Maria ...

When birds crack a puzzle in more than one way, they’re showing the kind of flexible problem-solving once thought uniquely human. Could intelligence be more widespread in nature than we realized?