∼ SternidaeSternidae (Charadriiformes) ∼
trinta-réisGulls, Terns and Skimmers:
6 espécies6 species
trinta-réis-miúdoLeast Tern
(Sternula antillarum)
trinta-réis-grandeLarge-billed Tern
(Phaetusa simplex)
trinta-réis-de-bico-pretoGull-billed Tern
(Gelochelidon nilotica)
trinta-réis-borealCommon Tern
(Sterna hirundo)
trinta-réis-de-bandoCabot's Tern
(Thalasseus acuflavidus)
trinta-réis-realRoyal Tern
(Thalasseus maximus)