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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.
In March 1904, 1.5 million migrating birds died in Minnesota and Iowa during a strong snowstorm. [5] According to The Guardian, this was the largest avian mortality event on record in the region. [5] Records of MMEs have been kept since the 1880s. [5] MMEs of this size are rare, however, and few before or since have been as big as the 1904 event.
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 ...
Bird flu has been causing bird deaths for decades, with strains of the virus identified since 1996 and notable outbreaks in 2004 and 2005. However, the present outbreak marks the most severe case ...
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31 December 2010, in Beebe, Arkansas. 3,000 red-winged blackbirds and European starlings died. Arkansas state wildlife authorities first received reports on 31 December 2010, shortly before midnight. Further investigation revealed the birds fell over a one-mile area of Beebe, with no other dead birds found outside that concentrated zone.
People are only catching bird flu after having contact — most likely a lot of close, prolonged contact — with infected animals or the farm equipment and materials the animals were in close ...