Sadly, the website for the Squirrel Defamation league, deadsquirrel.com, is no longer active. However, you can find posts elsewhere setting out the Defamtion league's top ten reasons all squirrels must die:
I'm sure the SDL is probably a big fan of Tom Lehrer:
[youtube]
https://www.youtube.com/watch?v=yhuMLpdnOjY[/youtube]
Tom Lehrer, Poisoning Pigeons in the Park wrote:So if Sunday you're free
Why don't you come with me
And we'll poison the pigeons in the park
And maybe we'll do in a squirrel or two
While we're poisoning pigeons in the park