Loggerhead shrike COSEWIC assessment and status report: chapter 13
Acknowledgements
I owe particular thanks to Ken De Smet and Andrew Didiuk for providing me with extensive unpublished information on the status and biology of shrikes in Manitoba and Saskatchewan, respectively. David Prescott provided data from 2003 surveys in Alberta. Susan Craig gave a very useful account of a multi-year study of shrikes in eastern Colorado. Connie Downes, Canadian Wildlife Service, Ottawa, provided data from the Canadian Breeding Bird Survey.
Funding for the preparation of this status report was provided by the Canadian Wildlife Service, Environment Canada.
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