Predator activity and nest success of willow flycatchers and yellow warblers

Article Abstract:

Research on bird populations and predation risk in California's Sierra Nevada region shows that the negative effects of forest-edge predators may be mitigated by flooding meadow areas used by predators to gain access to nests. Yellow warbler and willow flycatcher survival rates are used as illustration.

Strategy & planning, California, Planning, Environmental aspects, Natural history, Birds, Protection of, Bird conservation, Muscicapidae, Flycatchers, Sierra Nevada (United States), Predator control, Company business planning, Wildlife habitat improvement, Old World warblers

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Burrowing owl mortality in the Altamont Pass Wind Resource Area

Article Abstract:

Turbine-caused mortality of burrowing owls is increasing in the Altamont Pass Wind Resource Area (APWRA) has led to a study comparing human-caused mortality to the predicted habitat capacity of owls in the APWRA, and a suggestion mitigating measures to reduce turbine-caused owl fatalities.

Industrial Machinery and Equipment, Turbine and Turbine Generator Set Units Manufacturing, Air Motors & Turbines, Analysis, Mortality, Causes of, Burrowing owl, Air-turbines, Wind turbines, Death of

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Behavior of red-tailed hawks in a wind turbine development

Article Abstract:

Flight behavior in relation to characteristics of the topography and in relation to various weather variables including wind speed and wind direction are recorded. It was found that red-tailed hawk behavior and their use of slope aspect differed according to wind speed.

United States, Behavior, Study and teaching, Animal flight, Red-tailed hawk, Topographical drawing, Topography

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