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Pacific Great Blue Heron Population and Monitoring Vancouver Island and the Gulf Islands 2005 Chatwin, T.
2007
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Abstract: This report describes the results of population inventory and monitoring of Great Blue Heron on Vancouver Island (Region 1) for 2005. Inventory of 648 active nests shows no significant trend for active nests, but productivity continues to decline. Bald Eagle predation is the proximate cause of colony failure but development and human disturbance are important factors.
 
Chatwin, T., S. Bonar and M. Kissinger. 2007. Pacific Great Blue Heron Population and Monitoring Vancouver Island and the Gulf Islands 2005. Wildlife Working Report. WR110
 
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Keywords: great blue heron, active nests, bald eagle predation, human disturbance
ISSN:  Scientific Name: Ardea herodias
ISBN: 978-0-7726-5749-7 English Name: Great Blue Heron
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