Crested Tern

Crested Tern (Thalasseus bergii), in breeding plumage, displaying in Tasmania, Australia

Fairy Tern

Fairy Tern (Sternula nereis), Little Swanport, Tasmania, Australia CC BY-SA 4.0

Whiskered Tern

Whiskered Tern (Chlidonias hybridus), Laem Pak Bia, Petchaburi, Thailand

Crested Tern

Crested Tern (Thalasseus bergii), in breeding plumage, with a fish, Boat Harbour, New South Wales, Australia CC BY-SA 4.0

Greater Crested Tern

Greater Crested Tern (Thalasseus bergii) in flight. Boat Harbour, New South Wales, Australia CC BY-SA 4.0