lpaul

Guy, given that this is a first winter (note the small pale tips to the greater coverts), I very much doubt this is the same returning bird! In fact based on the pattern of the greater coverts I would think you have photographed two different individuals this autumn.  This is perhaps not surprising, as many Rufous-tailed Robins at this time of year are passage birds.

Excellent photos though.

lpaul

This last bird is an adult, so different from your previous birds.