Caspian Tern.

Very large tern with broad wings and large, red bill. They can be quite aggressive. Noted for its long adolescence, with the young dependent on their parents for many months; even in late winter, many an adult Caspian is trailed by a begging youngster from the previous nesting season.

In 2016, a nest of the Caspian tern was found in the Cape Krusenstern National Monument in northwestern Alaska, 1,000 miles further north than any previous sighting. This development was part of a general trend in Alaska of species moving to the north, a tendency ascribed to global warming . When foraging, they fly with their bills pointing downward. This feature is not available right now. Black skimmer. [3] É a única especie dentro do xénero Hydroprogne e non se recoñecen subespecies. It has a white body, black cap on the head and a massive red bill. Bird Island Nature Reserve: Visit to the cape gannet colony - See 228 traveler reviews, 159 candid photos, and great deals for Lamberts Bay, South Africa, at Tripadvisor. Least tern. note 1 : used codes are : X00-X99, XA0-XZ9 and X0A-X9Z. In North America, it is common along both coasts and locally inland, mainly around large bodies of water. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students.ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Sterna caspia: information (1) Sterna caspia: pictures (8) ADW Pocket Guides on the iOS App Store! It includes around 100 species arranged into 22 genera. O carrán do Caspio [2] ou carrán caspio [3] (Hydroprogne caspia, antes Sterna caspia) é unha especie de ave caradriforme da familia dos estérnidos que se encontra en todos os continentes menos o antártico.En Galicia é unha ave accidental. Common tern. Nonbreeding adults and immatures have variable amounts of white on the forehead. Cosmopolitan, nesting on five continents.

Caspian tern (flight call) adult, flight call, juvenile. notes: White ring with a black three alpha-numeric code, starting letter "X".

Washington DC & New York, Smithsonian Institution & Dorling Kindersley Publishing.
The largest of the terns, larger than many gulls. Noted for its long adolescence, with the young dependent on their parents for many months; even in late winter, many an adult Caspian is trailed by a begging youngster from the previous nesting season. Gaps in the wings usually are a sign that the bird is molting.

Terns range in size from the least tern, at 23 cm (9.1 in) in length and weighing 30–45 g (1.1–1.6 oz), to the Caspian tern at 48–56 cm (19–22 in), 500–700 g (18–25 oz). Forster's tern (Sterna forsteri) is a tern in the family Laridae.The genus name Sterna is derived from Old English "stearn", "tern", and forsteri commemorates the naturalist Johann Reinhold Forster..

The Caspian tern is the largest tern in South Africa. Caspian Terns breed in scattered single pairs or dense colonies.

Sooty Tern. Jarek Matusiak Ingrid Taylar.

note 2 : Simon Piro, Read more about Terns; Terns. Both sexes share nest-building, incubation and care of the young. In North America, it is common along both coasts and locally inland, mainly around large bodies of water. Caspian tern photo gallery at VIREO (Drexel University) Interactive range map of Hydroprogne caspia at IUCN Red List maps Audio recordings of Caspian tern on Xeno-canto .

website information: Riksmuseum Stockholm. The endangered Interior Least Tern (Sterna antillarum athalassos) breeds inland along the Missouri, Mississippi, Colorado, Arkansas, Red, and Rio Grande River systems.


Please try again later. Undersides of outer primary feathers are dark.

species: Caspian Tern.