"Out of sight, out of mind" is a real phenomenon - just think of all the times you would have forgotten about your laundry if not for a buzzer notifying you that it's time to change loads. Pretty sure that's not just me.
Well, naturally, we all only have so much attention to go around as it is, so who's going to keep their focus on things happening way, way out of sight? Because there are fascinating things going on that we'd otherwise never know about - like how baby owls sleep.