Whooping Crane and Sandhill Crane Monitoring at Five Wind Energy Facilities

Conference Paper

Title: Whooping Crane and Sandhill Crane Monitoring at Five Wind Energy Facilities
Publication Date:
January 01, 2018
Conference Name: North American Crane Workshop
Conference Location: Chattanooga, Tennessee
Volume: 14
Pages: 26-34
Publisher: North American Crane Working Group
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Document Access

Website: External Link
Attachment: Access File
(3 MB)

Citation

Derby, C.; Welsch, M.; Thorn, T. (2018). Whooping Crane and Sandhill Crane Monitoring at Five Wind Energy Facilities. Paper Presented at the North American Crane Workshop, Chattanooga, Tennessee.
Abstract: 

Biologists have expressed concern that individuals of the Aransas-Wood Buffalo Population of the federallyendangered whooping crane (Grus americana), numbering about 300, may be injured or killed by wind turbines during migration. To help address this concern and curtail (stop) turbine operations when whooping cranes approached turbines, we monitored the area around 5 wind energy facilities in North and South Dakota during spring and fall migration for whooping cranes and sandhill cranes (G. canadensis). Observers monitored cranes for 3 years at each facility from 2009 to 2013 (1,305 total days of monitoring), recording 14 unique observations for a total of 45 whooping cranes for which curtailment occurred during portions of 9 days. Observers also searched for dead cranes at the base of every turbine each day of monitoring. This resulted in approximately 92,022 cumulative individual inspections, during which no dead or injured cranes were detected. Based on our results and monitoring efforts at other wind energy facilities in the migration corridor, no whooping crane fatalities have been documented. Although migrating cranes use areas near turbines, they do not appear to be overly susceptible to collisions with wind turbines.

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