Sandwich tern

The Sandwich tern is a tern in the family Laridae. It is very closely related to the lesser crested tern, Chinese crested tern, Cabot’s tern, and elegant tern and has been known to interbreed with the lesser crested.
Scientific name: Thalasseus sandvicensis
Conservation status: Least Concern (Population stable)
Mass: 130 – 310 g
Length: 36 – 46 cm
Higher classification: Thalasseus
Rank: Species
Family: Laridae