BC Conservation Data Centre: Conservation Status Report
Nucifraga columbiana
Clark's Nutcracker
| Scientific Name: | Nucifraga columbiana |
|---|---|
| English Name: | Clark's Nutcracker |
| Provincial Status Summary | |
| Status: | S5 |
| Date Status Assigned: | June 30, 1998 |
| Date Last Reviewed: | March 05, 2015 |
| Reasons: | Widespread breeder throughout its interior range. Population believed to be stable. No known threats. |
| Range | |
| Range Extent: | FG = 20,000-2,500,000 square km |
| Range Extent Comments: | The Clark's Nutcracker is likely a widespread breeder in mountainous areas throughout its interior range. It is distributed throughout southern and most of central BC (Campbell et al. 1997). Non-breeders (D). |
| Occurrences & Population | |
| Number of Occurrences: | Rank Factor not assessed |
| Number of Occurrences with Good Viability / Ecological Integrity: | Rank Factor not assessed |
| Number of Occurrences Appropriately Protected & Managed: | Rank Factor not assessed |
| Population Size: | Rank Factor not assessed |
| Comments: | Uncommon resident locally on the southern mainland of the Coast and Mountains Ecoprovince. Uncommon to locally fairly common resident across the southern portions of BC (Campbell et al. 1997). |
| Threats (to population, occurrences, or area affected) | |
| Degree of Threat: | Rank Factor not assessed |
| Comments: |
No known threats at this time. *** CF Comment: Dependent on whitebark pine, which is declining due to MPB and blister rust*** |
| Trend (in population, range, area occupied, and/or condition of occurrences) | |
| Short-Term Trend: | G = Relatively Stable (<=10% change) |
| Comments: | Breeding Bird Surveys (1968-1993) could not detect a net change in numbers on interior routes (Campbell et al. 1997). |
| Long-Term Trend: | Rank Factor not assessed |
| Other Factors | |
| Intrinsic Vulnerability: | Rank Factor not assessed |
| Environmental Specificity: | Rank Factor not assessed |
| Other Rank Considerations: | |
| Information Gaps | |
| Research Needs: | |
| Inventory Needs: | |
| Stewardship | |
| Protection: | |
| Management: | |
| Version | |
| Author: | Westereng, L.K. |
| Date: | May 30, 2001 |
| References | |
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Campbell, R.W., N.K. Dawe, I. McTaggart-Cowan, J.M. Cooper, G.W. Kaiser, M.C.E. McNall and G.E.J. Smith 1997. The Birds of British Columbia, Vol. 3, Passerines: Flycatchers through Vireos. UBC Press in cooperation with Environ. Can., Can. Wildl. Serv. and B.C. Minist. Environ., Lands and Parks, Wildl. Branch. 700pp.
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Please visit the website Conservation Status Ranks for information on how the CDC determines conservation status ranks. For global conservation status reports and ranks, please visit the NatureServe website http://www.natureserve.org/.
Suggested Citation:
B.C. Conservation Data Centre. 2001. Conservation Status Report: Nucifraga columbiana. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Dec 5, 2025).