footprint in the snow

Observation - footprint in the snow - UK and Ireland. Description: just wondered if anyone could help us identify this footprint in the snow that we found in our back garden on Xmas day. The footprint next to it is my husbands size 7 boots to give some perspective size-wise, we thought it was too large for a fox? but do

just wondered if anyone could help us identify this footprint in the snow that we found in our back garden on Xmas day. The footprint next to it is my husbands size 7 boots to give some perspective size-wise, we thought it was too large for a fox? but don't have any large dogs around - any ideas?