Gull-billed tern

The gull-billed tern, formerly Sterna nilotica, is a tern in the family Laridae. It is widely distributed and breeds in scattered localities in Europe, Asia, northwest Africa, and the Americas. The Australian gull-billed tern was previously considered a subspecies.
Scientific name: Gelochelidon nilotica
Conservation status: Least Concern (Population decreasing)
Mass: 220 g (Adult)
Higher classification: Gelochelidon
Rank: Species
Family: Laridae