"Bees dont just transport pollen between plants, they also bring balls of it back to the hive for food. These pollen pellets, which also include nectar and can account for 30% of a bees weight, hang off their hind legs like overstuffed saddlebags (pictured). Now, researchers have investigated just how securely bees carry their precious cargo. ....."
Read more here: American Association for the Advancement of Science