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Message: <blockquote data-quote="fugl" data-source="post: 1435935" data-attributes="member: 816"><p>Not a really fair question given the complexity of the relationships involved,  But OK, how about the Little Owl, introduced into the UK in (if I remember correctly) the 19th century.  There must, of course, have been an "impact" on other animals, with some species--prey or other predators--being harmed by the introduction, but things eventually seem to have settled down again with little or no permanent damage to the fauna as a whole.  Or at least I haven't heard of any.  For all anybody knows, in fact, some small mammal species, say--rodents or shrews -- may actually have benefited from the new predator if the owl selectively took competing species.  Pure speculation, of course, but so what? The other side doesn't have anything better to offer.</p></blockquote><p></p>