The Harris' Sparrow can be recognized by its large size, pink bill and, in the breeding season, black bib and crown. In males, the black bibs vary in size; males with larger bibs tend to be more dominant, resulting in better access to resources like food and territory.
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Harris's Sparrow
The Harris's Sparrow is the only landbird species that breeds exclusively in Canada. It is limited to the transition zone between the boreal forest and arctic tundra, favouring areas with scattered trees. There are approximately 2 million individuals in Canada. As its breeding distribution is largely beyond the reach of the Breeding Bird Survey, its status is best monitored through the Christmas Bird Count on its wintering grounds in the United States, which indicates a significant decline in abundance relative to 1970. Confidence in this assessment is medium because survey effort is not highly standardized. Harris's Sparrow was assessed as Special Concern by the Committee on the Status of Endangered Wildlife in Canada in 2017 (COSEWIC, 2017), and listed at the same level under the Species at Risk Act in 2023. The national population is below its goal range.
The population of Harris's Sparrow is effectively monitored only through the Christmas Bird Count on its wintering grounds in the Midwest United States. It indicates a steady and substantial decline since 1970, amounting to a large decrease of 61% of the population.
The goal for Harris's Sparrow is to increase the population to the level it was at in the early 1970s, based on the Christmas Bird Count. Trend data show that Harris's Sparrow is currently below its goal range and continuing to decline. Analysis considering the historical population loss and recent trend suggests that it is unlikely that the goal can be met by 2050, so the interim target is to reach 65% of the goal by 2050. Achieving this target, and ultimately reaching the national goal for this species, will require deliberate conservation action.
| Designation | Geographic Area | Status | CITATION |
|---|---|---|---|
| COSEWIC | Canada | Special Concern | |
| IUCN | Global | Near Threatened | |
| Species At Risk Act | Canada | Special Concern | |
| Partners in Flight | Western Hemisphere | Yellow Watch List | |
| Wild Species | Canada | Apparently secure |
- COSEWIC. 2017d. COSEWIC Assessment and Status Report on the Harris’s Sparrow Zonotrichia querula in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. x + 36 pp. https://www.canada.ca/en/environment-climate-change/services/species-risk-public-registry/cosewic-assessments-status-reports/harris-sparrow-2017.html.
The Harris' Sparrow can be recognized by its large size, pink bill and, in the breeding season, black bib and crown. In males, the black bibs vary in size; males with larger bibs tend to be more dominant, resulting in better access to resources like food and territory.
Harris's Sparrow is reported throughout the year in Canada, with peaks during spring and fall migration. A drop in observations in summer likely reflects the bird's remote breeding range in the Arctic where there are few observers.