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Willow Flycatcher

Willow Flycatcher (Empidonax trallii)
Habitat: Riparian Shrubland
Habitat Attribute: Moderate to high shrub cover

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

  • North: >0.30 birds/ha (>0.12 birds/ac)
  • South: >0.46 birds/ha (>0/19 birds/ac)

Willamette Valley:

  • North: >0.11 birds/ha (>0.04 birds/ac)
  • South: >0.11 birds/ha (>0.04 birds/ac)

Habitat Objectives (Sites)
Riparian Shrubland in the following conditions:

  • canopy cover <15%
  • shrub cover 50-80% with scattered herbaceous openings
  • habitat areas >2 ha (5 ac) and >30 m (100 ft) in width
  • maintain cowbird parasitism rates below 10%

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.