Vydavatel US Fish and Wildlife Service, Department of the Interior
Datum vydání před téměř 10 roky
US
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From May 8 to June 16, 1972, observations were made on the spring migration of birds onto the YukonKuskokwim delta in the vicinity of old Kashunuk village. Spring arrival dates for birds are presented not only for old Kashunuk village but also the Numtuk study area and Igiak bay Magak Flats.