Possible Clues:

• Wet earth, where animal lives
• Turf next to study is very wet
• Thoroughly soppy git by place of retreat
• Very damp ground lair
• Completely soaked
• Waterlogged lair beneath turf
• Considered removing rice as it's thoroughly wet
• Wet turf covers hole
• Wet turf by animal home
• Bugger study — it's very wet