Invasive species of birds... (1 Viewer)

It's frustrating to see the proliferation of house sparrows and starlings and the decline of bluebirds, american kestrels, and other native cavity nesters. I think we need to educate the public and reverse the trend.

IIRC North American House Sparrow populations have been in slow decline for some years now as a result of natural causes.

At this point though, both species have reached population and range sizes in the New World that prohibit any chance of getting them under control.

As Morgan says the size of the populations , and the fact you are looking at a distribution that covers most of North America means that any attempts to eradicate them are totally unfeasible. Here in the UK it took nearly 40 years to clear Coypu from East Anglia, a small part of England, and that was with a species with far less catholic habitat requirements. Ruddy Duck have taken well over a decade, and there were only a few thousand of them, at most. As for Canada Goose and Grey Squirrel here - forget it. I'm afraid you're stuck with them, at least for the foreseeable future.

Chris

Cant they limit numbers of Canada Geese by constantly pricking eggs and finding a way of making Grey Squirrels infertile so they just die off?