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) of individuals in order the maximize benefits without incurring a large amount of costs. By living in a large flock, birds are also able to attack the predator with a stronger force compared to if the bird was on its own. In the black-capped chickadees it can be seen that flocks of birds can produce a mobbing call when it visualizes a possible predator. In response the black-capped chickadees within the flock surround the predator and attack it in a mob-like fashion in order to force the predator to leave. This is known as mobbing. This mobbing behaviour is quickly