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Tag: Purple Finch

Purple Finch (Carpodacus purpureus)

Forest condition: Klamath Mountains Mixed Conifer and Mixed Hardwood-Conifer Forests
Habitat Attribute: Pine-Oak Canopy/Subcanopy Trees

Habitat Objectives
Sites: Maintain >60% canopy/subcanopy closure, especially where pine and oak are part of the canopy. Sites: Where ecologically appropriate (e.g., drier sites), maintain >25% canopy cover of pine and oak trees.

Habitat Conservation Strategies
– Retain all mature pine-oak canopy trees.
– Conduct thinning or other forest management to select for growth of mature pine and oak trees in ecologically appropriate sites.
– Where managed regeneration is occurring, plant pine and oak trees in ecologically appropriate sites (e.g., drier sites).

Altman, B. and J.D. Alexander. 2012. Habitat conservation for landbirds in coniferous forests of western Oregon and Washington. Version 2.0. Oregon-Washington Partners in Flight (www.orwapif.org) and American Bird Conservancy and Klamath Bird Observatory.

Habitat: Oak Closed Woodland and Forest
Habitat Attribute: moderate to high canopy and subcanopy cover

Population Objectives (Sites)
Target Densities in Suitable Habitat:

Puget Lowlands:
North: >0.09 birds/ha (>0.04 birds/ac)
South: >0.42 birds/ha (>0.17 birds/ac)

Willamette Valley:
North: >0.35 birds/ha (>0.14 birds/ac)
South: >0.10 birds/ha (>0.04 birds/ac)

Klamath Mountains:
Umpqua: >0.02 birds/ha (>0.01 birds/ac)
Rogue: >0.08 birds/ha (>0.03 birds/ac)

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

  • canopy cover >40%
  • subcanopy cover >20%
  • shrub cover <50%
  • mean tree DBH >30 cm (12 in)
  • patches >10 ha (25 ac)

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.