Water vole latrines:
A field vole latrine:
Field vole feeding:
When feeding on juncus, field voles often strip the green outer layer to leave the white pith.
Water vole tracks:
Note the distinctive star-shape. Easily confused with rat prints, though, as rats' toes can splay in soft mud too.
Otter spraint under a bridge:
Otter spraint close up: