Shimmering Bee Defense against Giant Wasps

Here is a great article on a new bee defense against hornets: shimmering. When the hornet, or even a larger predator like a bird approaches, the bees do a type of booty dance, raising their abdomens and shaking them in unison. To our eyes it is somewhat beautiful, but to a hornet it is either threatening or confusing, depending on how many bees are taking part. Be sure to watch the action sequences linked in the middle of the article.