The case of Clever Hans highlights the mysterious and often misunderstood intelligence of horses, revealing notable cognitive capabilities beyond mere signal responses.
Researchers at Nottingham Trent University found that horses possess an internal model of the world, demonstrated through their ability to learn not to touch lit cards.
Cunning crows exhibit remarkable problem-solving skills, successfully navigating complex tasks that require multiple steps and tools, showcasing their advanced cognitive abilities.
In a challenging experiment, wild crows figured out a multi-step puzzle to obtain hidden food, illustrating their impressive reasoning and tool-use skills.
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