Roseate Tern looking out to sea on Rockabill Island. (Image Credit: Lorna Gill, taken under NPWS licence)

Roseate Tern looking out to sea on Rockabill Island. (Image Credit: Lorna Gill, taken under NPWS licence)

Roseate Tern looking out to sea on Rockabill Island. (Image Credit: Lorna Gill, taken under NPWS licence)