Today's science report involves that tree in the background, to the left of the EZ-Up. The one with all the clumps of white flowers. It's a Japanese Lilac Tree, and it's attracted a number... a large number... of Carpenter bees. At one point they were too numerous to count- over 30, anyway, plus numerous smaller bees, flies, and butterflies.
Look at the hind leg on this guy. He'll be popular when he returns to the nest.