In range can be an issue in winter - snowy settings. Last week all three birds I took the day I was out flushed under point no further than 10 feet from me. I still try to contemplate how I could not see any one of them in that snowy quagmire of cover.
I try to underdress because I know I will get warm, but I see plenty of guys in thick coats and gloves on ... their ability to get on the bird and pull the trigger has to be delayed. Couple in the exhaustion from post holing through snow drifts and getting the gun on target is just a bit tougher too.
Between birds two and three in the bag I had a point on a near "double" rooster flush. One flushed and then to my surprise a second one flushed 5 seconds later from the same spot. Two shots missed on bird one ... one shell one miss on bird two. I was a bit tired by then ... I am staying with that excuse.
I shoot Federal #5s. I will shoot a little higher velocity shell if I remember to have them along. Downed birds in December are being found on the same pace (most dead) as last year. Have not lost a bird yet this year.
I rarely take a poke at birds flushing too far out except for a couple that I noted in a separate thread.