Bucerotiformes

order of birds Bucerotiformes (Bucerotiformes) is an order comprising closely related families of organisms. It contains 4 families with 72 known species. This includes the family groups Bucerotidae, Bucorvidae, Phoeniculidae, and Upupidae. Among its members, 24 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Birds (Aves).