how do animals arrange themselves around Major in animal farm?

http://www.gradesaver.com/animal-farm/q-and-a/in-animal-farm-what-is-significant-about-how-the-animals-arrange-themselves-as-they-gather-to-hear-old-major-talk-58973/

Old Major is on a platform up high. THe pigs are in front foreshadowing their place in the next chapters. There seems to be a hierarchy going down from the pigs which is the opposite of what Old Major wanted.