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Bird netting or anti-bird netting is a form of bird pest control. It is a net used to prevent birds from reaching certain areas. Bird protection netting comes in a variety of shapes and forms, The most common is a small mesh (1 or 2 cm squares) either extruded and bi-oriented polypropylene or woven polyethylene.
Shore birds are not difficult to handle. After carefully extracting them from the net, small birds can be held around the body, with the fingers at the back of the head. While shore birds are not aggressive, they do have sharp beaks. Some caution should be used in keeping the bird's beak away from the handler's face, as is the case with any bird.
Cannon propellant is smokeless gunpowder ignited by an electric match. The primary advantage of cannon nets is the lack of explosives, therefore storage and transportation is easier. However, cannon-net projectiles have to be cleaned after every use. A full-sized cannon-net may utilize four or more cannons to pull the net over the target birds.
Small passerines are typically captured with 16-30 mm mesh, while larger birds, like hawks and ducks, are captured using mesh sizes of ~127 mm. Net dimensions can vary widely depending on the proposed use. Net height for avian mist netting is typically 1.2 - 2.6 m. Net width may vary from 3 to 18 m, although longer nets may also be used.
Most birds scoop water in their beaks and raise their head to let water run down the throat. Some species, especially of arid zones, belonging to the pigeon , finch , mousebird , button-quail and bustard families are capable of sucking up water without the need to tilt back their heads. [ 166 ]
The western jackdaw (Coloeus monedula), also known as the Eurasian jackdaw, the European jackdaw, or simply the jackdaw, is a passerine bird in the crow family. Found across Europe, western Asia and North Africa; it is mostly resident , although northern and eastern populations migrate south in the winter.
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