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The flight zone is determined by the animal's flight distance, sometimes called flight initiation distance (FID) 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.
Studies have shown that it is physically possible for flying animals to reach 18-metre (59 ft) wingspans, but there is no firm evidence that any flying animal, not even the azhdarchid pterosaurs, got that large.
The flight zone is the animal's personal space, and the size of the flight zone is determined by the wildness or tameness of the animal. Completely tame animals have no flight zone and people can touch them.
25 sie 2008 · Flight distance of adult birds when approached by a human being varied significantly among species, with mean distance explaining interspecific variation in population trends in Europe, with a large effect size of 0.36–0.58 depending on the analysis.
The flight zone is the distance within which a person can approach an animal before it moves away. Herd animals usually turn and face a potential threat when it is outside of their flight zone, but when it enters the flight zone, the animal turns and moves away.
Critical distance for an animal is the distance a human or an aggressor animal has to approach in order to trigger a defensive attack of the first animal. The concept was introduced by Swiss zoologist Heini Hediger in 1954, along with other space boundaries for an animal, such as flight distance (run boundary), critical distance (attack ...
13 sie 2008 · Here, I tested the hypothesis that the decrease in flight distance to a potential predator (an approaching human) reflected adaptation to urbanization, using a data set of flight distances of 44 common species of European birds in different stages of adaptation to urban environments.
