Chipping Sparrow (Spizella passerina)
Habitat: Oak Savannah or Open Woodland
Habitat Attribute: low-statured herbaceous ground cover
Habitat Objectives (Sites)
Oak Savannah or Open Woodland in the following conditions:
– canopy cover <50%
– shrub cover <20% interspersed with herbaceous openings
– herbaceous cover >50%
– low-statured herbaceous cover – mean <15 cm [6 in] high
Population Objectives (Sites)
Target Densities in Suitable Habitat:
Puget Lowlands:
– North: >0.85 birds/ha
– South: >0.61 birds/ha
Willamette Valley:
– North: >0.04 birds/ha
– South: >0.13 birds/ha
Klamath Mountains:
– Umpqua: >0.22 birds/ha
– Rogue: >0.33 birds/ha
maintain cowbird parasitism rates <10%
Rockwell, S. M., J. L. Stephens, and B. Altman. 2021. Population and habitat objectives for landbirds in grassland, oak, and riparian habitats in the Puget Lowlands, Willamette Valley, and Klamath Mountains ecoregions. Version 2.0. Prepared for Oregon-Washington Partners in Flight, Pacific Birds Habitat Joint Venture, Bureau of Land Management, and U.S. Forest Service. Klamath Bird Observatory, Ashland, OR, and American Bird Conservancy, Corvallis, OR
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