Posted: 26/01/2016 at 15:06
If we just do what the RSPB asks us to, no more and no less, with all the instructions observed literally, then the survey will work as they have designed it to. Unfortunately people start interpreting it for their own preferences (I've seen them at it), so the survey returns have to be modified to compensate for bias and silliness as well as for ID skills.
It's not meant to be a twitchers' competition - we can do that during the other 8783 hours this year. Enjoy the day, and even if you only see one Dunnock then that's a valid result.