Collision Risk Model Priors for Estimating Eagle Fatalities at Wind Energy Facilities

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collision-risk-model-priors-report-2018

In the Eagle Conservation Plan Guidance for incidental take of eagles associated with wind energy, the U.S. Fish and Wildlife Service developed a collision risk model to predict the number of golden and bald eagles that may be killed at wind facilities. The Collision Risk Model incorporates existing knowledge of eagle use around a proposed wind facility (exposure) and the probability of an eagle colliding with an operating turbine. This information is meant to reflect how exposure and collision probability can vary across the nation and takes the form of prior probability distributions. These distributions of prior knowledge are combined with project-specific information to predict the number of fatalities expected for a particular wind facility. The Service intends that these priors be updated as new information becomes available. 

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Program
The Migratory Bird Program works with partners to protect, restore and conserve bird populations and their habitats for the benefit of future generations by: ensuring long-term ecological sustainability of all migratory bird populations, increasing socioeconomic benefits derived from birds,...
Species
Bald Eagle

A large raptor, the bald eagle has a wingspread of about seven feet. Adults have a dark brown body and wings, white head and tail, and a yellow beak. Juveniles are mostly brown with white mottling on the body, tail, and undersides of wings. Adult plumage usually is obtained by the sixth year. In...

FWS Focus
Golden Eagle
FWS Focus
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