Caspian tern

The Caspian tern (Hydroprogne caspia) is a 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 hudros, "water", and Latin progne, "swallow". The specific caspia is from Latin and, like the English name, refers to the Caspian Sea.

Caspian tern
Breeding Plumage
Canada
Non-breeding Plumage
The Gambia
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Laridae
Genus: Hydroprogne
Kaup, 1829
Species:
H. caspia
Binomial name
Hydroprogne caspia
(Pallas, 1770)
Synonyms

Sterna caspia
Hydroprogne tschegrava
Helopus caspius

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