Title Genres Topics Date (Start) Date (End)
Orange-shafted Flicker in Lyon County Field notes Bird feeders Bird watching Birds--Identification Ornithology--Study and teaching Winter 1981-05-28 N/A
Iowa Ornithologists' Union, Quarterly field report, winter 1966-1967 Field notes Bird populations Bird watching Birds--Research Winter 1966-12-01 1967-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1976-1977 Correspondence Field notes Bird populations Bird watching Birds--Research Winter 1976-12-01 1977-02-28
Christmas count, 1980-81 Field notes Reports Bird populations Bird surveys Bird watching Birds--Counting Birds--Identification Winter Citizen science 1980-12-20 1981-01-04