I have made some comments on Summi91's LJ page, and I refer there to a poem by Les Murray, in which the narrator is a pig. The poem is called, simply, 'Pigs', and you can find it by clicking on this link:
http://www.poemhunter.com/les-murray/poems/ If anyone can think of any other poems written from the perspective of an animal or an object, rather than a person, let me know!