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Carrion crow in a trap in Scotland. The cage includes a tub of water and a pheasant carcass, for the benefit of trapped birds. The Larsen trap is legal to use in the United Kingdom under general licence. [1] It is the most widely used magpie population control method amongst gamekeepers, magpies are also controlled by conservationists. [4]
For this reason, decoys of his from this period are slightly less desirable than those made earlier. The decoy, as a form, implies both sculpture and function, and Crowell approached their creation as an artist. As George Hepplewhite wrote in the 18th century, the interpretation and execution of the decoys, "blend the useful with the agreeable."
As "decoy" came more commonly to signify a person or a device than a pond with a cage-trap, the latter acquired the retronym decoy pool. [3] The other form, a duck decoy (model), otherwise known as a 'decoy duck', 'hunting decoy' or 'wildfowl decoy', is a life-size model of the creature. The hunter places a number about the hunting area as they ...
A sonar decoy is a device for decoying sonar. One may be released from a submarine or a surface vessel. A decoy acts as false targets for human operators and/or sonar-homing weapons such as acoustic torpedoes .
A duck decoy (or decoy duck) is a man-made object resembling a duck. Duck decoys are typically used in waterfowl hunting to attract real ducks, but they are also used as collectible art pieces. [1] Duck decoys were historically carved from wood, often Atlantic white cedar wood on the east coast of the United States, [2] or cork.
In one decoy on Föhr island, more than 3,000,000 ducks have been caught since its installation in 1735, and from 1885 to 1931 a factory for canned duck meat was active in Wyk auf Föhr. The preserved meat was exported worldwide. Today there are six inactive decoys on Föhr. [25] Another decoy is located near Norddorf on Amrum island. [26]
The AN/SLQ-25 Nixie and its variants are towed torpedo decoys used on US and allied warships. It consists of a towed decoy device (TB-14A) and a shipboard signal generator. The Nixie is capable of defeating wake-homing, acoustic-homing, and wire-guided torpedoes. The decoy emits signals to draw a torpedo away from its intended target.
The system is composed of two parts: the mount which is fixed to the exterior of the vehicle and the control group. The mount is capable of 360° rotation and −20° to +60° elevation and is gyro-stabilized. [1] The sight package includes a daylight video camera, a thermal camera and an eye-safe laser rangefinder.