"Ball for warmth" doesn't explain the swarming of bees in warm weather (around a queen dividing the hive). But bees will also use the large cluster heat effect

"Ball for warmth" doesn't explain the swarming of bees in warm weather (around a queen dividing the hive). But bees will also use the large cluster heat effect to kill predatory hornets: https://www.livescience.com/19078-bee-ball-cooks-enemies.html https://www.livescience.com/19078-bee-ball-cooks-enemies.htm...