Foreign object damage of the aircraft and saving the lives of the 18 crew. The remains of 77 birds were found on or near the runway. On January 15, 2009, US Airways Flight 1549 flew into a flock of Canada geese and suffered a double engine failure. The pilot ditched the aircraft in the Hudson River, saving the lives of all on board. People working near aircraft have been sucked into jet engines. Some have died from their injuries. Significant problems occur with airports where the grounds were or have become nesting areas for birds. While fences can prevent a moose or deer
Flock (birds) call of the ground squirrel requires the ability of the animal to first recognize that there is danger present and then to react. This type of behaviour is also seen in some birds. It is important to note that by making an alarm call to signal members of the flock one is providing the predator with an acoustical cue to the location of a possible prey. The benefit here is if the members of the flock are genetically related to one another. If this is true, even if the bird that signalled the flock were to die its fitness would