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Fregata is the single genus of the family of seabirds called Fregatidae, in the order of Suliformes.

1/ Lesser frigatebird (Cốc biển bé, Fregata ariel)
2/ Christmas frigatebird (Cốc biển bụng trắng, Fregata andrewsi), or Christmas Island frigatebird
3/ Great frigatebird (Cốc biển đen, Fregata minor) 

The term Suliformes is a taxonomic order of birds—including gannets, boobies, and cormorants. It is derived from a combination of the Latin word sula (gannet) and the Latin suffix -formes (having the form of).

Fregatidae is the scientific family name for frigatebirds. It is derived from New Latin, combining the genus name Fregata (from the French frégate, a type of warship) with the standard zoological suffix -idae. In Greek, they are often referred to as Φρεγάτα (Fregáta).

Like the genus name, the English term is derived from the French mariners' name for the bird la frégate—a frigate or fast warship.

Lesser frigatebird (Cốc biển bé, Fregata ariel)

The lesser frigatebird (Fregata ariel) is a seabird of the frigatebird family Fregatidae. 

The term Suliformes is a taxonomic order of birds—including gannets, boobies, and cormorants. It is derived from a combination of the Latin word sula (gannet) and the Latin suffix -formes (having the form of).

Fregatidae is the scientific family name for frigatebirds. It is derived from New Latin, combining the genus name Fregata (from the French frégate, a type of warship) with the standard zoological suffix -idae. In Greek, they are often referred to as Φρεγάτα (Fregáta).

Like the genus name, the English term is derived from the French mariners' name for the bird la frégate—a frigate or fast warship.

The specific name ariel originates from the Biblical Hebrew אריאל, meaning "lion of God". In Ancient Greek, it is transliterated as Ἀριήλ (Ariíl) and was adopted into Latin without a change in spelling.