Loggerhead shrike (Lanius ludovicianus excubitorides) COSEWIC assessment and status report

Official title: COSEWIC Assessment and Update Status Report on the Loggerhead Shrike (Lanius Ludovicianus Excubitorides) in Canada COSEWIC Assessment and Update Status Report on the Loggerhead Shrike Excubitorides Subspecies Lanius Ludovicianus Excubitorides in Canada

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Table of contents

• Assessment Summary
• Executive Summary
• Species Information
• Distribution
• Habitat
• Biology
• Population Sizes and Trends
• Limiting Factors and Threats
• Special Significance of the Species
• Existing Protection or Other Status
• Summary of Status Report
• Technical Summary
• Acknowledgements
• Literature Cited
• Biographical Summary of the Report Writer
• Authorities Contacted

COSEWIC status reports are working documents used in assigning the status of wildlife species suspected of being at risk. This report may be cited as follows:

COSEWIC 2004. COSEWIC assessment and update status report on the Loggerhead Shrike excubitorides subspecies Lanius ludovicianus in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi + 24 pp.

Previous report

Cadman, M.D. 1986. COSEWIC status report on the Loggerhead Shrike Lanius ludovicianus in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. 100 pp.

Également disponible en français sous le titre Évaluation et Rapport de situation du COSEPAC sur la Pie-grièche migratrice de la sous-espèce excubitorides (Lanius ludovicianus excubitorides) au Canada - Mise à jour.

Cover illustration

Loggerhead Shrike excubitorides subspecies – Richard Cannings

©Her Majesty the Queen in Right of Canada 2004
Catalogue N° CW69-14/390-2004E-PDF
ISBN 0-662-37337-5
HTML:  CW69-14/390-2004E-HTML
ISBN 0-662-37338-3