Vydavatel US Fish and Wildlife Service, Department of the Interior
Datum vydání před více než 9 roky
US
beta
Shrnutí
Popis
Bimonthly surveys were conducted to show seasonal trends in the occurrence of migratory birds on Adak Island, Alaska. Counts of birds encountered on a specified vehicle route were made from 14 October, 1980 to 26 October, 1981. Also included in this report is a species list of birds seen on Adak Island from October 1980 through October 1981.