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The marsh terns, Trudeau's tern and some Forster's terns nest in inland marshes. The black noddy and the white tern nest above ground level on cliffs or in trees. Migratory terns move to the coast after breeding, and most species winter near land, although some marine species, like the Aleutian tern , may wander far from land.
White terns comprise the two species of terns in the genus Gygis. The best known (and formerly only) species in the genus is the common white tern . [ 1 ] The little white tern ( Gygis microrhyncha ), previously considered a subspecies of the white tern ( Gygis alba microrhyncha ), is now recognised as a second species of white tern.
The black-bellied tern (Sterna acuticauda) is a tern found near large rivers in the Indian subcontinent, its range extending from Pakistan, Nepal and India to Myanmar. It has become very scarce in the eastern part of its range and the International Union for Conservation of Nature has assessed its conservation status as being endangered .
Forster's tern is a medium-sized tern with a slender body, deeply forked long tail and relatively long legs. [5] [6] In its non-breeding plumage, the crown is white and a black comma-shaped patch covers the eye and the ear-covert. [5] [6] [7] The wings are gray with the primaries being dark silvery gray, while the underside is white.
The South American tern (Sterna hirundinacea) is a species of tern found in coastal regions of southern South America, including the Falkland Islands, ranging north to Peru (Pacific coast) and Brazil (Atlantic coast). It is generally the most common tern in its range. The smaller, highly migratory common tern closely resembles it. The specific ...
Saunders's tern (Sternula saundersi), sometimes known as the black-shafted tern, [2] is a species of bird in the family Laridae. It is sparsely resident along the shores of the north-western Indian Ocean (namely southern Somalia , Arabian Peninsula , Socotra , Pakistan , Andaman and Nicobar Islands and northern Sri Lanka ).
Adult royal tern and Cabot's tern (smaller bird, right) in flight at Core Banks, North Carolina. All white underparts Rodanthe, North Carolina. This is a large tern, second only to the Caspian tern but is unlikely to be confused with this "carrot-billed" giant, which has extensive dark underwing patches.
This is a somewhat atypical tern, in appearance like a Sterna tern, but with feeding habits more like the Chlidonias marsh terns, black tern and white-winged tern. The Australian gull-billed tern does not normally plunge dive for fish like the other white terns, and has a broader diet than most other terns.