Nebraska Ornithologists' Union
Nebraska Bird Review
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1981 (Fifty-Sixth) Spring Migration and Occurrence Report
Copyright 1981, Nebraska Ornithologists' Union. Used by permission.
Abstract
Two hundred ninety-eight species are listed in this report, from 12 locations. The comparable figures from 1980 are 298 species from 14 locations; 1979 292 from 12; and 1978 300 from 13.
The symbols used in tabulation are:
Ja, Fe, Mr, Ap, My, and Je for the months
P to indicate a species which is present all the year, although the same individuals may not be present during the whole year, and the numbers may vary greatly between periods.
This paper has been withdrawn.