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I'm not a biologist/ecologist and certainly not informed enough to make a truly valid opinion, but using exotic species to control/contain another species bring to mind the parable of using a snake to control a rat problem and eventually ending up with a building full of elephants. Doesn't seem like a good idea.

Because that idea has worked so well in the past...

ur messin with nature now. not such a good idea!

A big can of worms that issue....

I'm with Michael....I'm pretty sure GOD knew what he was doing when he put things in their places! LEAVE WELL ENOUGH ALONE!

Relocate the swans and leave exotic species where they belong, not in our bay.

yea bad idea!!!

Introducing exotic or foreign species of animals, aquatic life or vegetation in many areas of the country has backfired as often as it has been successful. IMHO it's not worth the gamble.

It is not worth the risk.

Expanding on Paul Macom's comment, I recall hearing that tent caterpillars were first brought to this country by enterprising folk who thought they'd establish a textile industry to rival that from the silk worm.
-The best laid plans of....

We need to quit messing w/mother nature. What seems reasonable now harms us in the future. Look at "global warming"..........

Bio controls are a danger-Kudzu great example-purple loosestrife another. Then there are the fish, insects and other animals that endanger native species...

I live in an area seriously over run with asian ladybugs that were brought in to control something and black bears that were brought here from the Blue Ridge . .. . has it ever worked? really - are there any examples of importing an exotic plant or animal to control another that actually turned out to be a good idea? why do we keep trying?

I think as big a problem if not bigger is the resident geese population. I know in the upper reaches of the South River they are eating a pooping their way all around the river. At a pound of poop a day it is having a negative impact.

Good point, John. And the waste from all those resident geese produce a lot of bacteria that get into the river, as well as nitrogen pollution.

What solution do you propose?

recognizing the problem of the muted swans but believing we are smart enough to come up with a better answer than just shooting them.

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