In what ways do the Animals in Animal Farm act like humans?

Well George Orwell's Book Animal Farm, The Animals on the farm started about on a Rebellion towards humans but near the end the Animals started acting more and more like humans, Walking in their hind legs, drinking whiskey , Wearing clothes and Carrying whips. In the end when the animals look from Pig to human , human to pig and etc, they see not difference because of the likeness between the humans and the animals