Project Plan: The Ecology of Great Blue Heron Colonies on the Lower Mainland of British Columbia

Posted July 10, 1978 | Categories : 74,Rare Species,Reports,Research |

John Kelsall and Keith Simpson wrote this report for the Canadian Wildlife Service, who have the mandate as custodian of the Migratory Birds Convention Act, to monitor bird populations.

See the 16 page PDF: project_plan_ecology_of_gbh_colonies