|
Field notes about active Bald Eagle nests contributed by Bruce Ehresman, summer 1992
|
Correspondence Field notes Charts (graphic documents)
|
Bird watching Birds--Counting Birds--Nests Birds--Infancy
|
1992-06-01
|
1992-07-31
|
Manuscript, graphic, and printed material
|
Field notes about 17 active Bald Eagle nests in eastern Iowa contributed by Bruce Ehresman. The chart includes nest location, nest description, the known number of young, and the known number fledged. Also included is a brief note from Ehresman to James J. Dinsmore about a Barn Owl mating on his property. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1992.
|
Ehresman, Bruce
|
Bald Eagle Barn Owl
|
Iowa County Allamakee County Homestead Jackson County Jones County New Albin Yellow River State Forest Black Hawk Park Green Island Guttenberg Clayton County Upper Iowa River Pool 9 Mud Hen Lake Harpers Slough Pool 10 Pool 11
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
25
|
2
|
|
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
|
Manuscript, graphic, and printed material
|
A directory of birders in Iowa who were instrumental in the recovery of Eastern Bluebirds in the state in 1990. Includes Bluebird nest box data, information on Bluebird clutches and nests as well as the names and locations of participants with their observations on number of houses, number of eggs, number hatched, and the number fledged. The directory also contains a list of predators and problems that may be encountered on the Bluebird trail with possible solutions, design plans for a Sparrow trap and a Bluebird slot box and a blank 1991 Nest Box Record form to return the next year.
|
Iowa. Department of Natural Resources Hill, Jaclyn
|
Eastern Bluebird
|
Iowa
|
|
|
|
Big Bluestem Audubon Society | MS 592
|
1
|
12
|