Dave, Unless these cameras are different, they should work during the day. You just have to be careful to how you set them up. They need to be aimed in a direction that won't see direct sunlight . The sunlight will activate the heat sensor.
I would say this is a case of nocturnal bucks.
Have you ever looked all over the house and garage for a piece of hunting equipment or an article of clothing? I sure have... or at least I used to. I found that storing my hunting gear in large containers that are labeled not only saves me time looking but also saves space. I used to have my gear all over the house, taking up space that I needed for other things.
Here's what I do now. I went out and bought some large plastic tubs and everything goes in them. I...