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Possible definitions for ornithologic
ornithology
Branch of zoology dealing with the study of birds. Early writings on birds were largely anecdotal (incl. folklore) or practical (e.g., treatises on falconry and game-bird management). From the mid-18th cent. on, ornithology progressed from the description and classification of new species discovered in scientific expeditions to examination of internal anatomy to the study of the bird ecology and ethology. Ornithology is one of the few scientific fields in which nonprofessionals make substantial contributions; the field observations of birders provide valuable information on behavior, ecology, distribution, and migration. Other information is gained by means of radar, radio transmitters, portable audio equipment, and bird banding, which provides information on longevity and movements.
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