Hirundinidae

Hirundinidae (Hirundinidae) is a family of organisms sharing recent common ancestry and similar characteristics. It contains 15 genuss with 77 known species. Key genus groups include Atticora, Cecropis, Cheramoeca, Delichon, Hirundo, and Notiochelidon. Among its members, 6 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Songbirds (Passeriformes).