Williamson's sapsucker (Sphyrapicus thyroideus) COSEWIC assessment and status report: chapter 1

Assessment Summary

Assessment Summary – May 2005

Common name : Williamson's Sapsucker

Scientific name : Sphyrapicus thyroideus

Status : Endangered

Reason for designation : This woodpecker is associated with mature larch forests in south-central British Columbia; less than 500 individuals breed in Canada. Habitat loss through forest harvest is estimated to have been 23% over the last 10 years and is projected to be about 53% over the next decade.

Occurrence : British Columbia

Status history : Designated Endangered in May 2005.  Assessment based on a new status report. 

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