Abstract:Despite differences between bird and human brain anatomy, birds have recently demonstrated capacities thought to be uniquely human, including planning and problem-solving. Many avian demonstrations of ‘complex’ behaviors rely on species-specific behavior (e.g., caching, tool use), or use birds who have evolved largely in similarly undomesticated circumstances (e.g., pigeons). In the present experiment, we asked how a species domesticated thousands of years ago, chickens (Gallus gallus domesticus), used past ex… Show more
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