Title Genres Topics Date (Start) Date (End)
The Screech Owl Reports Essays Birds--Habitat Birds--Identification Owls--Behavior N/A N/A
Birds and their foods Reports Birds--Behavior Birds--Food Columbiformes | Doves and Pigeons Birds--Infancy N/A N/A
Summary of Bird Banding Reports Bird banding Bird watching Birds--Migration Ornithology--Methodology Strigiformes | Owls 1937-04-01 1937-04-30
Bird Banding Near Fairfield During 1936-1937 Reports Tables (documents) Bird banding Ornithology--Methodology Hunting--Moral and ethical aspects Birds--Mortality 1936-01-01 1937-12-31
Great Horned Owl nesting study and research notes Reports Research notes Essays Bird banding Birds--Eggs Birds--Food Birds--Nests Birds--Research Ornithology--Methodology Birds--Infancy Eggs--Incubation 1933-02-26 1939-12-31
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Position of Ames Audubon Society on Saylorville Reservoir with reference to Ledges State Park Reports Birds--Habitat Ornithology Parulidae | Warblers Wildlife conservation Important bird areas 1973-09-26 N/A
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