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A newly hatched saltmarsh sparrow and eggs in nest Saltmarsh sparrow chick. Saltmarsh sparrows are non-territorial and have large overlapping home ranges. Male home ranges are twice as large as those of females and may span 50 hectares (120 acres). [22] Saltmarsh sparrows are promiscuous, and the majority of broods exhibit mixed parentage. [23]
The United States Fish and Wildlife Service (USFWS or FWS) is a U.S. federal government agency within the United States Department of the Interior which oversees the management of fish, wildlife, and natural habitats in the United States. The mission of the agency is "working with others to conserve, protect, and enhance fish, wildlife, plants ...
Union Hills WPA in Cerro Gordo County is the largest in Iowa at over 2,000 acres (8.1 km 2). Spring Run, a large complex of State and Federal lands in Dickinson County, is the second largest WPA. Dugout Creek WPA in Dickinson County and Lower Morse Lake in Wright County are also among the larger restored tracts in the Iowa Wetland Management ...
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The American goldfinch is the state bird of Iowa. This list of birds of Iowa includes species documented in the U.S. state of Iowa and accepted by the Iowa Ornithologists' Union (IOU). As of January 2023, there are 433 species included in the official list. [ 1 ]
Sharp-tailed sparrow can refer to either of two birds once thought to be a single species: Nelson's sparrow ( Ammodramus nelsoni ) Saltmarsh sparrow ( Ammodramus caudacutus )
The Jordan Aquifer is the largest source of groundwater, extending from northeast Iowa to south central Iowa, and is the source of much of Iowa's agricultural and industrial water. Besides pollution, the aquifer is threatened by overuse in well-source irrigation, ethanol production, and decreased replenishment caused by extensive field tilling.
Variation in Major Body Components of the Tree Sparrow Spizella-Arborea Sampled within the Winter Range. Wilson Bulletin. vol 81, no 3. pp. 280–292. Keiper RR. (1969). Causal Factors of Stereotypies in Caged Birds Serinus-Canarius Serinus-Mozambicus Serinus-Leucopygius Spizella-Arborea Junco-Hyemalis Cyanocitta-Cristata Rearing.