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The flying geese paradigm (Japanese: 雁行形態論, Hepburn: Gankō keitai-ron) is a view of Japanese scholars regarding technological development in Southeast Asia which sees Japan as a leading power. It was developed in the 1930s, but gained wider popularity in the 1960s, after its author, Kaname Akamatsu, published his ideas in the Journal ...
A V formation is a symmetric V - or chevron -shaped flight formation. In nature, it occurs among geese, swans, ducks, and other migratory birds, improving their energy efficiency, while in human aviation, it is used mostly in military aviation, air shows, and occasionally commercial aviation. Flying in the V formation likely improves energy ...
[3] Swarm behaviour was first simulated on a computer in 1986 with the simulation program boids. [4] This program simulates simple agents (boids) that are allowed to move according to a set of basic rules. The model was originally designed to mimic the flocking behaviour of birds, but it can be applied also to schooling fish and other swarming ...
Hawk/goose effect. In ethology and cognitive ethology, the hawk/goose effect refers to a behavior observed in some young birds when another bird flies above them: if the flying bird is a goose, the young birds show no reaction, but if the flying bird is a hawk, the young birds either become more agitated or cower to reduce the danger.
At the time he was discarded in the trash by someone, his biological parents were in their 30's. "I know one was a mailman. One was a police dispatcher," said Sean.
A 2015 review of multiple studies found consistent links between short sleep duration and irregular eating patterns. Those who slept less than seven hours ate fewer main meals and more small, high ...
Lishman was one of the pioneers of ultra-light aviationin Canada, and was the first Canadian to foot-launch and land a rigid-winged aircraft. [citation needed]In 1988, he became the first person to lead a flight of geese with an aircraft, and in 1993, the first to conduct an aircraft-led migration of birds.
The steamer ducks , geese and swans , the solitaire , sheathbills , some guans and stone curlews use a bony knob on the alular metacarpal to punch and hammer opponents. [127] The jacanas Actophilornis and Irediparra have an expanded, blade-like radius.
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