unknown eggs?

unknown eggs?

Observation - unknown eggs? - UK and Ireland. Description: scattered over an area at least 20m x 20m in small patches on ave 1m apart. Loose conglomeration of eggs / something hard to describe. At least 50 patches, but possibly lot more on rough grass area on Iron Age hill fort at Croft Ambrey, Croft Castle estat

scattered over an area at least 20m x 20m in small patches on ave 1m apart. Loose conglomeration of eggs / something hard to describe. At least 50 patches, but possibly lot more on rough grass area on Iron Age hill fort at Croft Ambrey, Croft Castle estate