Pigeons are intelligent

Frodes Young Birds, Pigeons are intelligent

Abilities of Pigeons 

In a famous article in 1995, Watanabe, Sakamoto and Wakita described an experiment which showed that pigeons can be trained to discriminate between paintings by Picasso and Monet.

The birds were first trained on a limited set of paintings: when the shown painting was a Picasso, the pigeon was able to obtain food by repeated pecking; when it was a Monet, pecking had no effect. After a while, the pigeons would only peck when shown Picasso paintings.

They were then able to generalize, and correctly discriminate between paintings of the two painters not previously shown, and even between cubist and impressionist paintings (cubism and impressionism being the two stylistic schools Picasso and Monet belong to). When the Monet paintings were shown upside down, the pigeons were not able to properly categorize anymore; showing the cubist works upside down did not have such an effect.

In 1995, the authors won the humorous Ig Nobel Prize in psychology for this work.

In a later paper, Watanabe showed that if pigeons and human college students undergo the same training, their performance in distinguishing between Van Gogh and Chagall paintings comparable.


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Similar experiments had shown earlier that pigeons can be trained to distinguish between photos showing human beings and those that do not, and between photos showing trees and those that do not, among many other examples.

In all these cases, discrimination is quite easy for humans, even though the classes are so complex that no simple distinguishing algorithm or rule can be specified. It has therefore been argued that pigeons are able to form “concepts” or “categories” similar to humans, but that interpretation is controversial. Nevertheless, the experiments remain important and often cited examples in cognitive science.have featured in numerous experiments in comparative psychology, including experiments concerned with animal cognition, and as a result we have considerable knowledge of pigeon intelligence.

For example, available data shows:

  • Pigeons can be taught relatively complex actions and response sequences, and can learn to make responses in different sequences. Blind Dates Parents
  • Pigeons readily learn to respond in the presence of one simple stimulus and withhold responding in the presence of a different stimulus, or to make different responses in the presence of different stimuli. * 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 beings).
  • They do less well with categories defined by abstract logical relationships, e.g. “symmetrical” or “same”, though some experimenters have successfully trained pigeons to discriminate such categories.
  • Pigeons seem to require more information than humans for constructing a three-dimensional image from a plane representation.
  • Pigeons seem to have difficulty in dealing with problems involving classes of classes. Thus they do not do very well with the isolation of a relationship among variables, as against a representation of a set of exemplars.

All these are capacities that are likely to be found in most mammal and bird species. In addition pigeons have unusual, perhaps unique, abilities to learn routes back to their home from long distances. This homing behaviour is different from that of birds that show migration, which usually occurs over a fixed route at fixed times of the year, whereas homing is more flexible; however similar mechanisms may be involved.

Additionally pigeons may be among the very few animals to pass the mirror test[1] — which tests whether an animal recognizes its reflection as an image of itself — along with common chimpanzees, bonobos, orangutans, dolphins, elephants, and humans. However, the tests which purported to show that pigeons could pass the mirror test have been criticized by many scientists

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