Overview
Distribution
National Distribution
Canada
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
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Global Range: Restricted to the Queen Charlotte Islands, British Columbia, and at least Dall Island in southeastern Alaska (Phillips 1986, Gibson pers. com. 1992).
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Ecology
Habitat
Comments: Coniferous forests of the Queen Charlotte Islands and islands in southeastern Alaska (Godfrey 1986, Phillips 1986).
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Migration
Non-Migrant: No. All populations of this species make significant seasonal migrations.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: No. No populations of this species make annual migrations of over 200 km.
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Conservation
Conservation Status
National NatureServe Conservation Status
Canada
Rounded National Status Rank: N3 - Vulnerable
United States
Rounded National Status Rank: N2 - Imperiled
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NatureServe Conservation Status
Rounded Global Status Rank: T3 - Vulnerable
Reasons: Regional endemic with highly restricted distribution (American Ornithologists' Union 1957). Population abundance and trends unknown. Identified as a "Blue list" species by the British Columbia Ministry of Environment. Potential threat from habitat loss to logging (Cannings pers. comm. 1993).
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Threats
Comments: Possible threat from habitat loss and fragmentation due to logging (Cannings pers. com. 1993).
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Management
Biological Research Needs: Current research needs include: 1. Population abundance, range, and trends studies are needed. 2. Assessment of habitat preferences. 3. Assessment of impacts of habitat loss and fragmentation resulting from logging. 3. Population viability analysis.
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Needs: Protect sufficient habitat to maintain the long-term viability of this subspecies.
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