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THIS DATASET IS CONSIDERED SENSITIVE; PLEASE CONSULT WILDLIFE STAFF FOR GUIDANCE PRIOR TO ITS USE<\/SPAN><\/P>

These polygons represent general locations of each known Great-blue Heron (GBHE) rookery. These do not represent indivudual nests. There is a seperate feature class (GBHENests) which contains individual nest locations. Biologists add new rookeries each year if any are found. These polygons are drawn after field visits, using aerials to identify groups of trees. 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