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Harlequin Duck (Histrionicus histrionicus)
SPECIES ASSESSMENT INFORMATION FROM COSEWIC
Date of Assessment: May 2001
Common Name:Harlequin Duck (eastern population)
Scientific Name: Histrionicus histrionicus
COSEWIC Status: Special Concern
Reason for Designation: The population size of this sea duck is relatively small, but substantially larger than previously thought. Their tendency to congregate in relatively large groups when moulting and wintering makes them susceptible to catastrophic events such as oil spills.
Canadian Occurrence: Nunavut, Québec, New Brunswick, Nova Scotia, Newfoundland and Labrador.
COSEWIC Status History: The Eastern population was designated Endangered in April 1990. Status re-examined and designated Special Concern in May 2001. Last assessment based on an update status report.
- Date Modified: