Evolution goes up to 11: Life Cycle of the Grossest Parasite: http://www.wired.com/magazin...
"The parasite takes control of the snail’s rudimentary brain, making the mollusk forget that it’s scared of daylight and spurring it to inch out into the open. To us, the infected tentacles look like a fleshy, Cronenbergian nightmare. To birds, they look like delicious caterpillars." - Graham Sergeant