Last night, I heard a tick-tick-tock in the ceiling lamp
It did not sound like the flies that swarm the light during rainy season. I looked up: it's a dragonfly. I don't know how it entered my office. I think it passed through the windows in the toilet: it is made of cement with slits slanting downwards. A tree frog used to enter that way. And now a dragonfly. Perhaps, the dragonfly mistook the fluorescent lamp for the sun. I checked the literature on the photoreceptors of the dragonfly's eyes. Their eyes are sensitive to UV, Blue, and Green. The fluorescent spectrum have peaks at red, green, and blue. So the dragon fly saw the blue and the green, but not the red. This morning, I heard the tick-tick-tock again, but this time not on the fluorescent bulbs but on the glass windows facing west. The window is about 6 feet above the floor. To open the window, you have to turn the latch at the bottom pane, then move the window outward. The hinge is on the upper pane. The window is closed. The dragonfly can't get o