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Human uses of birds have, for thousands of years, included both economic uses such as food, and symbolic uses such as art, music, and religion. In terms of economic uses, birds have been hunted for food since Palaeolithic times. They have been captured and bred as poultry to provide meat and eggs since at least the time of ancient Egypt.
Non-human animals, and products made from them, are used to assist in hunting. Humans have used hunting dogs to help chase down animals such as deer, wolves, and foxes; [36] birds of prey from eagles to small falcons are used in falconry, hunting birds or mammals; [37] and tethered cormorants have been used to catch fish. [38]
Birds are also threatened by high rise buildings, communications towers, and other human-related activities and structures; estimates vary from about 3.5 to 975 million birds a year in the North America alone. [18] The largest source of human-related bird death is due to glass windows, which kill 100–900 million birds a year.
It can also live in artificial terrestrial zones designated for it. Since it is not a migratory species, relocating the species to more habitable areas would have to be intentional and human-directed.
Eagles are not used as widely in falconry as other birds of prey, due to the lack of versatility in the larger species (they primarily hunt over large, open ground), the greater potential danger to other people if hunted in a widely populated area, and the difficulty of training and managing an eagle.
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The wild geese in the study were part of a resident population at Almsee and the researchers found no evidence that age influenced their physiological response, indicating that geese do not become ...
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