Weird green beach worms
On Halloween (31 Oct), there was an informal gathering at a local park by some of my wife's co-workers. The kids and I wandered around on the beach -- and found these peculiar little (green!) worms.
After a brief Google image search for "green beach worms", I found this blog entry, which says that they're called green paddle worms.
Here's a photo from their blog:
So: there ya go. :)