worm casts on bottom of pond

worm casts on bottom of pond

Observation - worm casts on bottom of pond - UK and Ireland. Description: are worm casts on the bottom of a pond likely to be earthworm or other ? pond drains a field so fluctuates in depth including very shallow but rarely dry

are worm casts on the bottom of a pond likely to be earthworm or other ?
pond drains a field so fluctuates in depth including very shallow but rarely dry