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"We cut over the fields at the back with him between us – straight as the crow flies – through hedge and ditch." [1] While crows do conspicuously fly alone across open country, they do not fly in especially straight lines. [3] While crows do not swoop in the air like swallows or starlings, they often circle above their nests. [3]
The length of the English mainland is delineated by the distance between Land's End and Marshall Meadows Bay in Northumberland. The distance is 556 miles (895 km) by road or 426 miles (686 km) as the crow flies. The traversal of the length of England is sometimes used to define charity events such as walks and cycle-rides.
As the crow flies, the two points are 466 km (290 mi) apart. The shortest road distance from Malin to Mizen is approximately 569 km (354 mi). The distance of the routes commonly taken have been reported as between 600 and 644 km (373 and 413 miles). [2] [3]
Flight Traffic Mapping uses animation to depict flight traffic. The mapping of flights [ 1 ] in real-time is based on a sophisticated air traffic control system that was developed for North America. The air traffic control system is a complex combination of electronics and people that helps guide planes from departure to destination.
In aviation, the flight length or flight distance refers to the distance of a flight. Aircraft do not necessarily follow the great-circle distance , but may opt for a longer route due to weather, traffic, to utilise a jet stream , or to refuel.
For a jet aircraft, these intervals are 10 degrees of longitude for eastbound or westbound flights and 5 degrees of latitude for northbound or southbound flights. In free-flight areas, commercial aircraft normally follow a least-time-track so as to use as little time and fuel as possible. A great circle route would have the shortest ground ...
Vultures use their excellent eyesight to scan the landscape below from a relatively static aerial position. Instead of flying over a larger distance, they use elevation to expand their field of vision. [3] A bird strike was recorded at this height in 1973. Common crane: Grus grus: Gruidae: 10,000 metres (33,000 feet)
The flight zone is determined by the animal's flight distance, sometimes called [3] flight initiation distance (FID) [4] which extends horizontally from the animal and sometimes vertically. It may also be termed [ citation needed ] escape distance , alert distance , flush distance, and escape flight distance.