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Post by wangrong on Tue Dec 14, 2010 6:00 am

Outside their native habitat, elk and other deer species were introduced in areas that previously had few if any large native ungulates. Brought to these countries for hunting and ranching for meat, hides and antler velvet, they have proven highly adaptable and have often had an adverse impact on local ecosystems. Elk and red deer were introduced to Argentina in the early 20th century.[28] There they are now considered an invasive species, encroaching on Argentinian ecosystems where they compete for food with the indigenous Chilean Huemul and other herbivores.[29] This negative impact on native animal species has led the IUCN to identify the elk as one of the world's 100 worst invaders.[30] Both elk and red deer have also been introduced to Ireland and Australia.[31][32]


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