What about humans that are not native to this country should we kill them to and the birds that come over that are not native,blame the grey squirrels for destruction when humans are the biggest destroyers for chopping trees down and ruining the enviroment,why is it humans think they can destroy and kill what they dam well want,its not just our planet you know its the animals to,speaking of prince charles he is a hunter anyway and didn't want fox hunting banned,you people that hunt and kill animals are not genuine animal lovers just animal lovers of selected one's.
OT, but some thought experiments for you, Angelika. I'm genuinely interested in your answers.
1. Due to human carelessness rats infest an isoloated colony of a rare breeding bird, and will wipe them out in two years if nothing's done. What do you do?
2. Your house is infested with cockroaches. What do you do?
3. American Mink start to inhabit a river where a fragile population of water voles live, what do you do?
4. There's an overpopulation of deer, and they're destroying their habitat by overgrazing, meaning without culling they'll destroy their habitat for themselves and for other creatures. What do you do?
I think animal rights detractors tend to (knowingly) misrepresent the idea of why conservationists get worked up over introduced species. It's not because we're "nature nazis" who hate anything foreign, like some kind of Daily Mail-reading BNP-voting nutjob does about human immigrants. And it's definitely not for any bloodlust. It's because the ecosystem is fragile. Introduce a new organism into that by human error and it can have dire consequences for the balance of nature. Sometimes they don't seem to cause any real problems and no-one gets too worked up about them (I don't think anyone is calling for an extermination of mandarin ducks, for example), while other times they're completely disasterous (Japanese knotweed). And it's the duty of humans to undo their mistakes.
Yes the worst culprit of environmental damage is of course mankind. When introduced species run havoc it is of course the fault of the humans that released them and not the animals themselves. But therefore it is human duty to right their own wrongs and remove those species. If you can only see this through anthropomorphic eyes as "condeming an animal to death that hasn't committed a crime" then I can understand you don't really see this. But I've a feeling if you believe the killing of one squirrel/mink/signal crayfish(?!) is inherently evil, and you'd rather condemn British wildlife to a more indirect death because of this, you'll never see eye to eye with many people on here.
On a side note, I wonder what the British countryside would be like today if coypu and muskrat hadn't been purposefully eradicated?