Interesting topic. The most recent issue of Equus (magazine) has an
article about disease carried by possum, picked up by starlings (via
possum feces), which causes a fatal horse disease. How do policy-makers
come to learn the long-range effects of animals, etc. Perhaps a different
topic from "introduced," but still interesting. - Irene

On Fri, 5 Apr 1996, Peggi Rodgers wrote:

> That brings up an interesting point. When does an introduced species become
> "accepted"? For instance, in rehab we are not allowed to release possums on
> public land. But it's OK to release Ring-necked pheasants....