Tracks in the snow

Whose track is that?

Through snow, mud, sand or soil, animals (and humans) cannot hide their tracks or footprints. But how do we know what tracks we are looking at?

Robin in snow

Little robin red breast

They adorn festive greeting cards that are covered in snow and frost-coated berries. They are also seen all year round, so why is little robin red breast so synonymous with Christmas?