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Anous, commonly known as the noddies, is a genus of seabirds in family Laridae.
Anous is Ancient Greek for "stupid" or "foolish", referring to the birds' unwariness or indifference to hunters, predators.

1/  Brown noddy or common noddy (Nhàn đầu xám, Anous stolidus)

Brown noddy or common noddy (Nhàn đầu xám, Anous stolidus)

The brown noddy, common noddy or noddy tern (Anous stolidus) is a seabird in the family Laridae.

Charadriiformes, Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

Laridae:from Ancient Greek laros or Latin larus, which appears to have referred to a gull or other large seabird.

Anous is Ancient Greek for "stupid" or "foolish", referring to the birds' unwariness or indifference to hunters, predators.

Stolidus is a Latin adjective meaning "dull," "stupid," "insensitive," or "solid/unmovable". Derived from the PIE root *stel- ("to set, stand"), it is related to stultus (foolish) and shares a cognate in the Ancient Greek steleós (meaning handle or block). It describes a heavy, slow, or brutish lack of understanding.