Common Tern at sunset
Common tern is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory, wintering in coastal tropical and subtropical regions.
Facts file
Conservation status: Least Concern (Population decreasing) Encyclopedia of Life
Length: 37 cm Encyclopedia of Life
Mass: 120 g (Adult) Encyclopedia of Life
Rank: Species
Scientific name: Sterna hirundo
Order: Charadriiformes