The Caspian tern (Hydroprogne caspia) is a species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic...

the tropics. 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)...

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...

elevated to species status in January 2020. This is a large tern, second only to the Caspian tern but is unlikely to be confused with this "carrot-billed"...

Palearctic from Europe to the Caspian Sea and winters in South Africa, India, and Sri Lanka. The Sandwich tern is a medium-large tern with grey upperparts, white...

2010, a few larger islands were launched to provide nesting habitat for Caspian tern colonies. The largest of the islands, at a record-setting 44,000 sq ft...

Larus (25 species) Genus Gelochelidon (2 species) Genus Hydroprogne (Caspian tern) Genus Thalasseus (8 species) Genus Sternula (7 species) Genus Onychoprion...

species, including the Caspian gull and the Caspian tern. The Caspian seal (Pusa caspica) is the only aquatic mammal endemic to the Caspian Sea, being one of...

400 g (14 oz). The widely distributed Caspian tern (Hydroprogne caspia), is relatively large and heavily built. Caspians can range up to 782 g (1.724 lb) in...

The lesser crested tern (Thalasseus bengalensis) is a tern in the family Laridae. The genus name is from Ancient Greek Thalasseus, "fisherman" from thalassa...