All species have a division of power. Some are leaders. The rest are followers. The leaders are the ones who make the speeches, while the followers are to simply pay attention and take direction. In every crowd, though, there are those who are distracted or who disagree with what is being said. They are usually the ones who are looking around or talking quietly to one another.
While I have yet to learn the language of guinea fowl, there was certainly some type of meeting happening along the pasture fence this evening. The leader was clearly communicating something important to the others. Maybe this guinea has just been elected as the head of the flock and was giving his acceptance speech. I can almost hear the inauguration address: “In my first year, I promise to find more bugs and greens which will be available to every bird, regardless of their breed, color or sex.” Hail to the chief guinea!