Yellow Warbler (Setophaga petechia)
Habitat: Riparian Closed Woodland or Forest
Habitat Attribute: Moderate to high subcanopy and shrub cover

Population Objectives (Sites)
Target Densities in Suitable Habitat:

Puget Lowlands:

• North: >0.08 birds/ha (>0.03 birds/ac)
• South: >0.38 birds/ha (>0.15 birds/ac)

Willamette Valley:

• North: >0.25 birds/ha (>0.10 birds/ac)
• South: >0.25 birds/ha (>0.10 birds/ac)

Klamath Mountains:

• Umpqua: >0.30 birds/ha (>0.12 birds/ac)
• Rogue: >0.47 birds/ha (>0.19 birds/ac)

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

• canopy cover 25-50%
• subcanopy and shrub cover >70%, with subcanopy cover contributing >40%
• habitat patches >4 ha (10 ac) and >40 m (130 ft) in width
• ≤10% of the habitat area should be hostile habitat (i.e., urban, residential, high density rural, agriculture)
• >1 km (0.6 mi) from urban/residential areas
• >5 km (3 mi) from high-use cowbird areas
• 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.

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.

Yellow-breasted Chat (Icteria virens)
Habitat: Riparian Shrubland
Habitat Attribute: Moderate to high shrub cover

Population Objectives (Sites)
Target Densities in Suitable Habitat:
Klamath Mountains:

• Umpqua: >0.27 birds/ha (>0.11 birds/ac)
• Rogue: >0.66 birds/ha (>0.27 birds/ac)

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

• canopy cover <20%
• shrub cover 30-80% with scattered herbaceous openings
• habitat areas >4 ha (10 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.

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.

Song Sparrow (Melospiza melodia)
Habitat: Riparian Shrubland
Habitat Attribute: Early successional

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

• North: >0.53 birds/ha (>0.22 birds/ac)
• South: >0.53 birds/ha (>0/22 birds/ac)

Willamette Valley:

• North: >1.11 birds/ha (>0.45 birds/ac)
• South: >1.11 birds/ha (>0.45 birds/ac)

Klamath Mountains:

• Umpqua Valley: >1.24 birds/ha (>0.50 birds/ha)
• Rogue Valley: >1.31 birds/ha (>0.53 birds/ha)

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

• canopy cover <5%
• shrub cover 40-70% with scattered herbaceous openings

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.

Spotted Sandpiper (Actitis macularia)
Habitat: Open floodplain
Habitat Attribute: Interspersion of bare ground and herbaceous vegetation

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

• >0.64 birds/river km (1.03 birds/river mi)

Willamette Valley:

• >0.64 birds/river km (1.03 birds/river mi)

Klamath Mountains:

• >0.64 birds/river km (1.03 birds/river mi)

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

• immediate shoreline >90% non-vegetated for foraging
• shoreline <100 m (328 ft) inland 10-50% patchy herbaceous cover for nesting

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.

Bushtit (Psaltriparus minimus)
Habitat: Oak Closed Woodland or Forest
Habitat Attribute: Moderate subcanopy or shrub cover

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

• North: >0.04 birds/ha (>0.02 birds /ac)
• South: >0.03 birds/ha (>0.01 birds/ac)

Willamette Valley:

• North: >0.14 birds/ha (>0.06 birds/ac)
• South: >0.04 birds/ha (>0.02 birds/ac

Klamath Mountains:

• Umpqua: >0.01 birds/ha (>0.004 birds/ac)
• Rogue: >0.19 birds/ha (>0.08 birds/ac)

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

• canopy cover 30-70%
• subcanopy cover >25%
• shrub cover 30-70%

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.

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.

California Scrub-jay (Aphelocoma californica)
Habitat: Oak Savannah or Open Woodland
Habitat Attribute: large mature trees

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

• North: >0.01 birds/ha (>0.004 birds/ac)
• South: >0.02 birds/ha (>0.004 birds/ac)

Willamette Valley:

• North: >0.03 birds/ha (>0.01 birds/ac)
• South: >0.11 birds/ha (>0.04 birds/ac)

Klamath Mountains:

• Umpqua: >0.03 birds/ha (>0.01 birds/ac)
• Rogue: >0.13 birds/ha (>0.05 birds/ac)

Habitat Objectives (Sites)
Oak Savannah or Open Woodland in the following conditions:

• canopy cover 20-60%
• subcanopy cover <25%
• shrub cover 20-60%
• low-statured herbaceous ground cover <30 cm (12 in)
• mean tree DBH >38 cm (15 in)

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.

Savannah Sparrow (Passerculus sandwichensis)
Habitat: Dry and wet prairie
Habitat Attribute: Large habitat patches

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

• North: >1.39 birds/ha (0.56 birds/ac)
• South: >1.72 birds/ha (0.69 birds/ac)

Willamette Valley:

• North: >2.06 birds/ha (>0.83 birds/ac)
• South: >0.90 birds/ha (>0.36 birds/ac)

Klamath Mountains:

• Umpqua: >0.15 birds/ha (>0.06 birds/ac)
• Rogue: >0.15 birds/ha (>0.06 birds/ac)

Habitat Objectives (Sites)
Prairie habitat in the following conditions:

• patches >16 ha (40 ac)
• <5% tree cover
• <10% shrub cover
• <10% bare ground
• >10% forb cover

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.