2009 Hudson River mid-air collision tours of the New York skyline. Visual flight rules on the river corridors by Manhattan have been subject to considerable debate since the 2006 New York City plane crash, in which New York Yankees pitcher Cory Lidle crashed into an apartment building while flying using visual flight rules on the East River. This was the first aircraft collision over the Hudson River since 1976. The collision, which occurred opposite 14th Street in Manhattan, was about 40 blocks south of where US Airways Flight 1549 ditched in the Hudson River on January 15, 2009, with no loss of life, after the
Flock (birds) sky during the spring. It is during this time spent in Denmark that the European starlings spend time gathering food and resting as part of their migration journey. By being in groups this large the European starlings are able to decrease their risk of predation by hawks. Flock (birds) A flock is a gathering of a group of same species animals in order to forage or travel with one another. In avians flocks are typically seen in association with migration. While this is true it can also be seen that flocking is important in safety from predation and foraging benefits.