Owl Energies

When I went out side last night, drawn out by a strange hooting in the backyard, two owls flew out of the garden.  Looking up, I saw one perched on the plant hanger.  She observed me for a while and then flew off.  I got my camera, intrigued by the energy that had called them there.  Below are some shots of that energy, as it first appeared, then as it faded away: