Researchers at the University of Connecticut want to know what chickens have to say. Literally. Ph.D. candidate Ebenezer Otu-Nyarko, along with Animal Science Professor Michael Darre, is studying the squawks and clucks of Gallus gallus domesticus, i.e., chickens, to determine what meaning might be gleaned from their different sounds. Apparently, there's more to be heard than just some bird-brained ramblings. [Video] Instead, the chicken's 24 unique vocalizations do seem to have some significance. If they're too hot, researchers hear one sound. Too crowded, another. That is, their sounds…