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In August 2020, observers reported that hundreds of dead migratory birds heading south for the winter had been found at the White Sands Missile Range in New Mexico. [5] By September, the number had increased to tens of thousands, and the die-off had spread across at least New Mexico, Colorado, Texas, Arizona, and farther north into Nebraska.
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.
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.
Bird flu is called that because it was first seen in wild birds in the late 1990s, and is apparently spread as these birds migrate. Just in the first 17 days of this year, 21 states reported bird ...
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 ...
As government agencies prepare for a potential shutdown, questions about a potentially burgeoning H5N1 bird flu pandemic are top of mind for many public health and agriculture officials.
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.
Climate change has raised the temperature of the Earth by about 1.1 °C (2.0 °F) since the Industrial Revolution.As the extent of future greenhouse gas emissions and mitigation actions determines the climate change scenario taken, warming may increase from present levels by less than 0.4 °C (0.72 °F) with rapid and comprehensive mitigation (the 1.5 °C (2.7 °F) Paris Agreement goal) to ...