Page:Popular Science Monthly Volume 68.djvu/469

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of them are migratory, while still others belong to a small list of 'stragglers,' these last being birds that only accidentally occur there, and which, from one circumstance or another, are visitors by chance rather than by choice. This may happen in any country, as in the case of European birds being found in the United States, or American birds in England or elsewhere. It must be borne well in mind, however,