Thalasseus sandvicensis
The Sandwich Tern (*Thalasseus sandvicensis*) is a medium-sized, elegant seabird belonging to the family Laridae, renowned for its distinctive appearance and vocalizations. Adults in breeding plumage exhibit a striking jet-black cap extending into a shaggy crest on the nape, contrasted by a prominent long, pointed black bill tipped with bright yellow, a unique field mark among terns. Measuring approximately 37-43 cm (14.5-17 in) in length with a wingspan of 90-105 cm (35-41 in), it features p...
This species primarily inhabits coastal and estuarine environments, favoring sandy beaches, barrier islands, lagoons, and salt marshes for both breeding and foraging, typically at low elevations.
Their diet consists mainly of small marine fish like sandeels, anchovies, and sprats, supplemented with crustaceans such as shrimp, captured by plunge-diving into the water.
Sandwich Terns are highly social, diurnal birds, spending their non-breeding periods in large foraging and roosting flocks. Their primary foraging strategy involves spectacular plunge-diving, often from heights of 5-15 meters, to catch small fish after a brief hover. During the breeding season, t...
The Sandwich Tern boasts a broad global distribution, with distinct breeding populations across continents. In Europe, they breed along the Atlantic coasts from the UK south to Spain, the Baltic Sea, Black Sea, and Mediterranean. North American breeding occurs along the Atlantic coast from Maryla...
Least Concern
- The Sandwich Tern is named after Sandwich, Kent, England, where it was first formally described in the late 18th century. - Its distinctive black bill with a prominent yellow tip is a unique and reliable identification mark, distinguishing it from most other tern species. - They are intensely c...