Title Genres Topics Date (Start) Date (End)
Photograph of bird watchers at Hendrickson Marsh Photographs Bird watchers 1974-01-01 1974-12-31
Photograph of a group on a bird hike Photographs Bird watchers 1935-08-01 1935-08-31
Photograph of a group of Iowa Ornithologists' Union birders Photographs Bird watchers Ornithology--Societies, etc N/A N/A
Documents regarding the Boone County Christmas Bird Count Checklists Forms (documents) Instructional materials Bird surveys Bird watchers Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Piciformes | Woodpeckers and allies N/A N/A
Photograph of a group at the American School of Wildlife Protection Photographs Bird watchers Wildlife conservationists 1931-08-12 1931-08-16
Iowa Bluebird Directory 1990, Bluebird Recovery Program Maps (documents) Reports Charts (graphic documents) Bird populations Bird watchers Birds--Conservation Birds--Nests Birdhouses--Design and construction Predatory animals Wildlife reintroduction Insect pests--Control 1990-01-01 1990-12-31