Could the culprit be a thrush?

Could the culprit be a thrush?

Observation - Could the culprit be a thrush? - UK and Ireland. Description: Various shells found on the ground in woodlands. Common garden snail. Does the damage look consistent with bird damage, such as a mistle thrush? I didn't find an anvil close by.

Various shells found on the ground in woodlands. Common garden snail. Does the damage look consistent with bird damage, such as a mistle thrush? I didn't find an anvil close by.