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House Wren

House Wren (Troglodytes aedon)
Habitat: Oak Closed Woodland or Forest
Habitat Attribute: Moderate Shrub cover with open canopy trees

Population Objectives (Sites)
Target Densities in Suitable Habitat:
Puget Lowlands:

  • North: >0.63 birds/ha (>0.25 birds/ac)
  • South: >0.73 birds/ha (>0.29 birds/ac)

Willamette Valley:

  • North: >0.38 birds/ha (>0.15 birds/ac)
  • South: >0.16 birds/ha (>0.07 birds/ac)

Klamath Mountains:

  • Umpqua: >0.12 birds/ha (>0.05 birds/ac)
  • Rogue: >0.18 birds/ha (>0.07 birds/ac)

Habitat Objectives (Sites)
Oak Closed Woodland or Forest in the following conditions:

  • canopy cover 25-70%
  • canopy and subcanopy conifer cover <10%
  • shrub cover >30% with >50% of that cover in native species such as snowberry, poison oak, etc.; exotic blackberry cover <10%
  • herbaceous openings in the shrub layer should account for <25% of the understory
  • mean tree DBH >38 cm (15 in), with >20% of trees >53 cm (21 in) DBH

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.