Pennsylvania Flood Insurance Which Kind Of Birds Does This Egg Belongs To?

Which kind of birds does this egg belongs to? - pennsylvania flood insurance

A friend had found a wild bird egg near a lake in western Pennsylvania after a flood, and I wondered what it was. She described the raw egg white with splashes of bright green. It was 2 1 / 2 inches long and about 5 cm in diameter at its widest point. She knew that eagles, falcons and vultures in the region.

no serious response or pointers greatly appreciated