Greater Crested Tern (Thalasseus bergii) by Ian Published October 2, 2009 at 400 × 500 in Ian’s Bird of the Week – Crested Tern ← Previous Greater Crested Tern (Thalasseus bergii) by Ian 66 Greater Crested Tern (Thalasseus bergii) by Ian Share this:EmailMe-WePrintMoreLike this:Like Loading...