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Artificial light sources can attract millions of birds to lighthouses, broadcast towers and other buildings, resulting in direct mortality of birds at night. [11] There are less artificial lights during the day, but millions of birds still die due to direct collisions with various human made structures. [ 12 ]
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.
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.
If, by chance, the bird is looking away from you, then Doolittle believes that the red Cardinal has messages for you, but "you may be missing [them] by being too busy or too distracted from your ...
The virus has also spread to birds in over 80 countries. While mostly affecting birds, the virus has also spread to mammals like foxes, skunks, mountain lions, other types of bears, and sea lions.
The winter wren (Troglodytes hiemalis) is a very small North American bird and a member of the mainly New World wren family Troglodytidae.The species contained the congeneric Pacific wren (Troglodytes pacificus) of western North America and Eurasian wren (Troglodytes troglodytes) of Eurasia until they were split in 2010.
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The pigeon migrated in enormous flocks, constantly searching for food, shelter, and breeding grounds, and was once the most abundant bird in North America, numbering around 3 billion, and possibly up to 5 billion. A very fast flyer, the passenger pigeon could reach a speed of 100 km/h (62 mph).