Last year there was a great article in National Geographic about hummingbirds. One comment from one of the researchers brought a smile. In describing what little rascals hummers are, she said ounce for ounce there probably isn't a more pugnacious critter in the world. She bet that 100% of their vocabulary is curse words. And now, scientists have found that all of those curse words aren't coming out of their dirty little mouths. Take a look at this news article from the BBC. Hummers Speak With Forked Tail?