Caspian Tern
Photo: Mdf · CC BY-SA 3.0

Skimmers, Noddies, Terns, and Gulls

Caspian Tern

Hydroprogne caspia

LCLeast Concern
Family
Skimmers, Noddies, Terns, and Gulls (Laridae)
Order
Charadriiformes

Overview

The Caspian tern (Hydroprogne caspia) is the world's largest species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic of its genus, and has no accepted subspecies. The genus name is from Ancient Greek hudro-, "water-", and Latin progne, "swallow". The specific caspia is from Latin and, like the English name, refers to the Caspian Sea.

Summary from Wikipedia, available under CC BY-SA 4.0.

Range and habitat

Breeds patchily coastal Baltic Sea and inland southeast Europe to western Mongolia and Ussuriland (southeastern Russia) and northeastern China and southern Asian coasts; coastal and inland western and southern Africa; Europa (west of southern Madagascar, Mozambique Channel), coastal Madagascar and Aldabra group (southwestern Seychelles); coastal and inland northern and eastern Australia, coastal New Zealand (North, South and Stewart islands); inland Northwest Territories to northeastern Canada, in south to central California and Great Lakes; winters to coastal Africa, Red Sea, Persian Gulf, India, Thailand, Malay Peninsula, and Vietnam; eastern Pacific and Caribbean to Panama.

Range description: AviList Global Avian Checklist.

Sources and further reading

Last updated September 29, 2026.