Efficacy of aircraft landing lights in stimulating avoidance behavior in birds

Article Abstract:

The hypothesis that during daylight, captive birds exposed to an approaching ground-based vehicle exhibiting pulsing 250-W white aircraft landing lights would initiate avoidance behavior more quickly than birds experiencing an oncoming vehicle with nonpulsing (steady) or no lights (control) is tested. The avoidance response was found inconsistent across experiments with cowbirds, and little or no avoidance behavior was observed in experiments with other species. exhibiting pulsing 250-W white aircraft landing lights would initiate avoidance behavior more quickly than birds experiencing an oncoming vehicle with nonpulsing (steady) or no lights (control) is tested. The avoidance response was found inconsistent across experiments with cowbirds, and little or no avoidance behavior was observed in experiments with other species.

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing, Search and navigation equipment, Flight Directors & Situation Displays, Aircraft Displays, Instrument Landing Systems, Behavior

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Recovery of the Chesapeake Bay bald eagle nesting population

Article Abstract:

The population size and reproductive performance of bald eagles (Haliaeetus leucocephalus) in the Chesapeake Bay, U.S.A., are estimated. The availability of undeveloped waterfront property is one of the dominant limiting factors for bald eagles in the Chesapeake Bay.

United States, Demographic aspects, Growth, Chesapeake Bay, Bird populations, Animal reproduction, Bald eagle, Company growth

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Demographics of black vultures in North Carolina

Article Abstract:

A model population for black vultures in North Carolina was constructed based on statistic data from a 14-year study and analyzed. Results concluded that they are potentially breeding and growing rapidly as well as their survival rates is high.

North Carolina, Environmental aspects, Protection and preservation, Bird breeding, Vultures

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