Astrapia (Vieillot, 1816) is a genus of birds-of-paradise. The genus contains five species, all endemic to New Guinea. The males have highly iridescent plumage and remarkably long tails. Females are duller and have shorter tails.

Barnes's astrapia is a hybrid produced by the interbreeding of Princess Stephanie's astrapia and the ribbon-tailed astrapia.

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