O'Reilly again claims that if gay marriage was legalized, “you could have married a duck” Written by Media Matters Staff Published 05/26/09 9:33 PM EDT Video file Previously: O'Reilly's Ark: Gay marriage could lead to goat, duck, dolphin, and turtle marriage Shuster says O'Reilly's “marry a turtle” argument is “ridiculous” “illogical” and “stupid”