Enviro groups with agendas are going to have a tougher time now that Google is around:
http://au.news.yahoo.com/070105/2/11yv9.html
"Natural changes in the environment, not man-made pollution, may be to blame for the mass deaths of flamingos in Kenya, scientists have said."
Rare doesn't mean never.
Did you even read the article?
Ten of thousands of a single species throughout the 90's. No mention of several thousands of various species in a single kill. Since Google makes it so easy, find another example of it. I tried. I can't.
I know, I know... it's nothing. Everything's nothing. And anybody who entertains any other possibility is a tinfoil chewing kook with bad breath and a mother who wears combat boots.