The list author says: "Note: I probably won't update this as much now. To see more resources, visit what I've collected at http://www.quora.com/What-are-some-good-resources-for-animal-behavior-animal-intelligence-convergent-evolution-of-animal-intelligence?q=resources+animal+behavior
This isn't just about intelligence, but about behavior.
Almost all mammals and birds seem to have remarkably similar emotions and behaviors. While some are smarter than others, many are just as aware as others. And they know a lot of things that people don't realize they know.
Google books: http://books.google.com/books?uid=13718804063927505694&as_coll=1015&source=gbs_lp_bookshelf_list
Youtube videos: (I steer clear of anything that might come from operant conditioning)