Sandwich Tern
Thalasseus sandvicensis
Silhouette: JJ Harrison (vectorized by T. Michael Keesey) · PhyloPic
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderCharadriiformes (Shorebirds and Allies)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusThalasseus (Crested Terns)
- SpeciesThalasseus sandvicensis (Sandwich Tern)
About the Sandwich Tern
The Sandwich tern (Thalasseus sandvicensis) is a tern in the family Laridae. It is very closely related to the lesser crested tern (T. bengalensis), Chinese crested tern (T. bernsteini), Cabot's tern (T. acuflavidus), and elegant tern (T. elegans) and has been known to interbreed with both elegant and lesser crested terns. It breeds in the Palearctic from Europe to the Caspian Sea, and winters in the Mediterranean and on the coasts of Africa, India, and Sri Lanka.
The Sandwich tern is a medium-large tern with pale silvery-grey upperparts, white underparts, a yellow-tipped black bill, and a shaggy black crest which becomes less extensive in winter with a white crown. Young birds bear grey and blackish scalloped plumage on their backs and wings. It is a vocal bird. It nests in a ground scrape and lays one to three eggs.
Like all Thalasseus terns, the Sandwich tern feeds by plunge-diving for fish, usually in marine environments, and the offering of fish by the male to the female is part of the courtship display. The terns are small to medium-sized seabirds, gull-like in appearance, but usually with a more delicate, lighter build and shorter, weaker legs. They have long,... Wikipedia →
Recent sightings of Sandwich Tern in Manuel Antonio National Park
LIVEiNaturalistClosest Relatives at Manuel Antonio National Park
Royal Tern
Thalasseus maximus
Elegant Tern
Thalasseus elegans
Franklin's Gull
Leucophaeus pipixcan
Bridled Tern
Onychoprion anaethetus
Black Tern
Chlidonias niger
Laughing Gull
Leucophaeus atricilla
Brown Noddy
Anous stolidus
White Tern
Gygis alba
Common Tern
Sterna hirundo
Sabine's Gull
Xema sabini
Black Skimmer
Rynchops niger
Spotted Sandpiper
Actitis macularius
Global Distribution
Warmer areas are where this animal is recorded most often.