The overall distribution of this species can be assessed, and
specific locations where birds have been spotted can be found,
based on individual sighting reports submitted by birdwatchers to
The global distribution of the Caspian Tern is available
Caspian Terns are a partly migratory species with a wide-ranging
Populations breeding around large inland lakes and the coastlines
of northern-hemisphere continents (North America, Europe, Asia)
are migratory. The northern American birds migrate southwards in
winter, to the southern coasts of North America, the West Indies
and northern South American coastlines.
The European and Asian populations spend the winter along the
tropical and subtropical coastlines of Africa, southern Asia
The populations breeding in Africa and Australasia are resident
or locally dispersive, but do not migrate.
In Arabia Caspian Terns are mostly found as winter visitors,
usually along the coastline. They are most comonly found along
the northern coast, from Kuwait to eastern Oman, and along the
Red Sea coast.
Caspian Terns can be found above coastal waters, but also
in tidal flats and inland, in the shallows of freshwater lakes,
including ephemeral lakes and ephemeral wetlands.