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In any case, there are some forms of distraction display which may in fact have evolved from stress responses, an idea more in alignment with Lack's hypothesis. One of these is the "rodent-run" display, in which a bird fluffs its feathers to mimic the fur of a rodent and scurries away from the nest.
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]
A traditional scarecrow. Bird scarers is a blanket term used to describe devices designed for deterring birds by startling, confusing or otherwise repeling them, typically employed in commercial settings by farmers to dissuade birds from consuming and defecating on recently planted arable crops.
A rooster's cock-a-doodle-doo may be familiar to most, but scientists are continuing to learn more about the distinctive behavior. According to new research, the crows are sounded according to ...
Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, magpies, jackdaws, jays, treepies, choughs, and nutcrackers. [1] [2] [3] In colloquial English, they are known as the crow family or corvids.
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U.S. President-elect Donald Trump said on Tuesday he will create a new government agency called the External Revenue Service "to collect tariffs, duties, and all revenue" from foreign sources as ...
Example of Carmack's stencil shadowing in Doom 3. Shadow volume is a technique used in 3D computer graphics to add shadows to a rendered scene. It was first proposed by Frank Crow in 1977 [1] as the geometry describing the 3D shape of the region occluded from a light source.