Inside the brood nest of a healthy colony of honey bees. Ripening nectar is visible at the top of the comb, with capped worker brood below.
Drones begin to appear in the hive in mid-spring. Here, a few drones (the ones with large eyes) mingle among workers in the brood nest.
On a warm spring day, a honey bee drinks water from a pond to take back to her hive. Bees use evaporative cooling to regulate hive temperature. Brackenridge Field Laboratory, Texas, USA.
