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Weather conditions influence bird flight behavior in ways that make them more or less susceptible to collisions. [22] Conditions which reduce visibility, such as fog, rain, or snow, can disorient birds, especially those that migrate at night and rely on visual cues.
The largest numbers of strikes happen during the spring and fall migrations. Bird strikes above 500 feet (150 m) altitude are about 7 times more common at night than during the day during the bird migration season. [24] Large land animals, such as deer, can also be a problem to aircraft during takeoff and landing.
Federal investigators have released a preliminary report into the helicopter crash that killed three Air Evac crew members last month, revealing evidence of a possible bird strike.. While the ...
The wet snow, mixed with rain in some places, made for a messy morning commute. Some school districts closed for the day or delayed openings. What happens to iguanas when cold weather strikes ...
According to Italian news agencies, a huge number of the birds were found to have blue stains on their beaks that may have been caused by paint or hypoxia. [ 17 ] Over the weekend of 8–9 January, "over a hundred" dead birds were found clustered together on a California highway, while "thousands of dead gizzard shad " (a species of fish ...
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Mortality on wintering grounds: Unreasonably cold temperatures on the wintering grounds kills thousands of birds, resulting in 30-90% population declines of migratory birds. For example, between 27000 and 62000 ducks, mostly tufted duck and common pochard , starved to death during a very cold winter in March 1986.
All three Americans infected in this year’s bird flu outbreak developed pink eye, also known conjunctivitis. For two dairy farm workers, eye irritation was the only symptom, while the latest ...