Grazing on the prairie

Several buffalo were grazing on the prairie when a cowboy rode up. Looking at the animals, he said disgustedly, "You are the ugliest buffaloes I've ever seen. Your fur is matted, you have humps on your backs, and you're slobbering all over the place. The cowboy turned and rode off, and one buffalo said to another, "I think I just heard a discouraging word.