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The family Procellariidae is a group of seabirds that comprises the fulmarine petrels, the gadfly petrels, the diving petrels, the prions, and the shearwaters, in the bird order Procellariiformes (or tubenoses). The name is derived from the type genus Procellaria which in turn is derived from the Latin word procella meaning "storm" or "gale".

Calonectris is a genus of seabirds. The genus name comes from Ancient Greek kalos, "good" and nectris, "swimmer".

1/ Streaked shearwater (Hải âu mày trắng, Calonectris leucomelas)