Here is a video of one bee - just inside the hive entrance clearly sending out a signal - she seemed upset? The energy of her signal felt intense - it was leaving me feeling a bit anxious. This behavior seemed very purposeful, like many, if not all of their jobs, yet looked and sounded unlike any behavior I had seen before. Maybe she was just calling everyone in for dinner? Or giving direction to the best nectar source? But I decided to give them back their privacy, close up the observation window, and leave for the day.
In the freeze frame of the video clip below - her's is the shiny rear end facing out of the hive - just above the play arrow: