Charlotte Douglas International Airport an aviation library with over 9,000 volumes and a very extensive photography collection. Rare aircraft in the collection include one of only two surviving Douglas D-558 Skystreak aircraft and the second (and oldest surviving) U.S.-built Harrier, which was used as the flight-test aircraft and accumulated over 5,000 flight-test hours. In January 2011, the museum acquired N106US, the US Airways Airbus A320 ditched by captain Chesley Sullenberger as US Airways Flight 1549 in the Hudson River on January 15, 2009. This aircraft, which was delivered on June 10, 2011, is about 35 years younger than any other commercial airliner on display
Flock (birds) be done by the gleaners. When gleaners obtain meals from vegetation it causes the other prey within the vegetation to be flushed out into the aerial environment. It is through this specific behaviour of feeding among vegetation that the gleaners indirectly increase the foraging rate of the sallies Those birds that are more rare and therefore less abundant in an environment are more likely to perform in this mixed flock behaviour. Despite the fact that this bird is more likely to be a subordinate, its ability to obtain food increases substantially. As well this bird is now less likely to