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Urban Birds Smarter than Rural Counterparts

Those pigeons you see by the tens in many cities, may be smarter than their less urban counterparts, according to a new study. Writing in the journal Behavioral Ecology, researchers from Canada’s McGill University say that may be because they’ve had to adapt to city life by learning to take advantage of new sources of food and other life-sustaining needs. For the study, the researchers compared urban and rural bullfinches in Barbados, looking for “differences in problem-solving...

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