posted on Aug, 31 2005 @ 01:41 AM
Perhaps it's an unconventional weapon? A vector for a virus or bacteria, or even a chemical agent in the wing dust? That's the first thing I
thought of, which is odd, I admit.
Probably just climate change opening up new territory, or competition, or overpopulation leading to migration and eventually speciation.
I'm almost certain the latter explanations are far more probable than the former, but that's not to say the former isn't possible, because, indeed,