10,000 Birds
FEBRUARY 5, 2012
, and species breeding in cavities are less affected. It subsequently spread to Budapest/ Hungary (2005, 2006), Zürich/ Switzerland (2006), and north-east Italy (2008/2009). The Usutu Virus has spread considerably in central Europe over the last 10 years.
10,000 Birds
JULY 21, 2014
These are extremely large stick structures (some articles compare the largest ones to the size of a car) that are usually populated by multiple breeding pairs in separate chambers. A 2009-10 survey of Monk Parakeet nests in the greater Chicago area found 42% of the nests were in trees and 58% were in man-made structures.
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