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Bullock’s Oriole

Bullock’s Oriole (Icterus bullockii)
Habitat: Riparian Open Woodland
Habitat Attribute: Large mature trees

Population Objectives (Sites)
Target Densities in Suitable Habitat:

Puget Lowlands:

  • North: >0.02 birds/ha (>0.01 birds/ac)
  • South: >0.02 birds/ha (>0.01 birds/ac)

Willamette Valley:

  • North: >0.06 birds/ha (>0.02 birds/ac)
  • South: >0.06 birds/ha (>0.02 birds/ac)

Klamath Mountains:

  • Umpqua: >0.27 birds/ha (>0.11 birds/ac)
  • Rogue: >0.21 birds/ha (>0.09 birds/ac)

Habitat Objectives (Sites)
Riparian Open Woodland in the following conditions:

  • dominance of cottonwood trees
  • mean canopy tree height >15 m (50 ft)
  • canopy cover 30-60%
  • subcanopy cover <20%

Cited Plan

Rockwell, S. M., J. L. Stephens, and B. Altman. 2022. Population and habitat objectives for landbirds in prairie, oak, and riparian habitats of western Oregon and Washington. 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.