The partial sentence "Were the eggs [actually] found by the girl" means something else than "Were the eggs [that were] found by the girl the same [ones as]...".

The partial sentence "Were the eggs [actually] found by the girl" means something else than "Were the eggs [that were] found by the girl the same [ones as]...". Even if the semantic meaning of the words is largely unchanged, the sentence structure parses quite differently. I can confirm that this also took me for a spin when reading the comment.