edition of his Systema Naturae. The type species is the common tern (Sternahirundo). Sterna is derived from Old English "stearn" which appears in the poem
The common tern (Sternahirundo) is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate
smaller than that of Sternahirundo." It is likely that a second as yet to be described species of tern, the Arctic tern (Sterna paradisea) was also present
white-winged black tern and common tern, writing "Sterna fissipes [Chlidonias leucopterus] et Hirundine [Sternahirundo] natam". This bird has a number of geographical
mats by saltmarsh-nesting Common Terns (Sternahirundo)" (PDF). In Vivo. 30 (3): 11–16. "Chinese Crested Tern Sterna bernsteini". Species. BirdLife International