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.
Nectar ripens in open wax cells in a honey bee nest.
A returning forager regurgitates nectar into a cell for ripening. She will drop her pollen into a different cell.Laboratory colony at The University of Texas at Austin.
