Crows Understand Analogies
scientificamerican.com
scientificamerican.com
http://news.nationalgeographic.com/news/2006/06/060606-crows...
That's amazing because it suggests that they're able to mentalize about other crows (and perhaps other species): http://en.wikipedia.org/wiki/Mentalization
That said, I think that nonsense is a lot less prevalent now than it was even 10-15 years ago, let alone 30-50.