Yeah, we're pretty sure that they're mosquitoes.
The area these pics were taken in is a pretty thick cedar swamp, so it's pretty buggy. Ticks prefer dryer, open grassy areas, and while there are plenty of fields in the area, I'm guessing skeeters. If you look around the does head, there are a couple of gray "specks" in the picture that look like they might be more mosquiotes, flying around.
Cheers.
Tim