We've all heard anecdotal evidence that animals and even insects can sense impending natural disaster (earthquakes, tsunami, etc). Some forecasters go so far as to include watching the behavior of certain animals in their models.
On the slopes at Canyons Resort today I saw bizarre behavioral evidence that supports the Mayan end-of-the-world forecast:
I saw a snowboarder who had pulled his pants up & wore them normally, rather than sagging around his thighs. Yes, indeed, the end of the world is nigh.