The Royal Tern (Thalasseus maximus) is a species of bird (Aves) in the family Laridae (Gulls, Terns, and Skimmers) and order Charadriiformes (Auks).
Thalasseus bernsteini
Thalasseus elegans
Thalasseus bergii
Thalasseus bengalensis
Thalasseus maximus
Thalasseus sandvicensis
Thalasseus albididorsalis