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Pigeons can discriminate between other individual pigeons, and can use the behaviour of another individual as a cue to tell them what response to make. Pigeons readily learn to make discriminative responses to different categories of stimuli, defined either by arbitrary rules (e.g. green triangles) or by human concepts (e.g. pictures of human ...
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A pigeon was trained to look in a mirror to find a response key behind it which it then turned to peck—food was the consequence of a correct choice (i.e., the pigeon learned to use a mirror to find critical elements of its environment).
Pigeons were most likely domesticated in the Mediterranean at least 2000–5000 years ago, and may have been domesticated earlier as a food source. [3] Some research suggests that domestication occurred as early as 10,000 years ago. [4] Pigeons have held historical importance to humans as food, pets, holy animals, and messengers.
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