https://www.canada.ca/en/environment-climate-change/services/species-risk-public-registry/cosewic-assessments-status-reports/coastal-vesper-sparrow-2018.html
Coastal Vesper Sparrow (Pooecetes gramineus affinis): COSEWIC assessment and status report 2018 -...
COSEWIC Assessment and Status Report on the Coastal Vesper Sparrow (Pooecetes gramineus affinis) in Canada 2018
vesper sparrowpooecetes gramineus