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In the fall of 2005, dead and dying great blue herons (Ardea herodias) exhibiting emaciation, lethargy, inability to fly and a hard abdomen (steatitis confirmed at necropsy) were observed at Poplar Island and nearby Coaches Island (Rattner et al. 2006). Birds were hand captured at or near impoundments (cells) and ponds that contained large algal blooms, and because of poor prognosis were euthanized. Seemingly healthy great blue herons were subsequently collected at Blackwater National Wildlife Refuge. Blood and fecal samples were collected, and submitted to Antech Diagnostics (Lake Success, New York) for Avian/Exotic Combined Blood Count, Comprehensive Avian Chemistries, Fecal Cultures and Vitamin E analysis. Liver...
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Distribution of Great Blue Heron habitat in coastal British Columbia showing relative abundance (RA) by season and overall relative importance (RI). RI is based on project region and not on the province as a whole. British Columbia has been collecting coastal resource data in a systematic and synoptic manner since 1979. Resource information is collected using peer-reviewed provincial Resource Information Standards Committee which include standards for data management and analysis
    map background search result map search result map Great Blue Herons - Coastal Resource Information Management System (CRIMS) Great Blue Heron collection at Poplar Island Complex and Chesapeake Marshlands National Wildlife Refuge Complex Great Blue Heron collection at Poplar Island Complex and Chesapeake Marshlands National Wildlife Refuge Complex Great Blue Herons - Coastal Resource Information Management System (CRIMS)