NASA NTRS · 19720017421
Information on bird navigation obtained by British long range radars
Abstract
Radar observations of the migratory habits of passerine birds over a 10 year period are presented. The relationships between intensity of cloud cover and the frequency and density of migration are illustrated. The aspects of migration which were determined by the radar were: (1) migration under total overcast, (2) compensation for wind drift, (3) changes in flight direction during migration, and (4) effects of meteorological parameters.
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Evans, P. R.. 1972-01-01. Information on bird navigation obtained by British long range radars. https://ntrs.nasa.gov/citations/19720017421
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