"Bucerotiformes is an order of birds that contains the hornbills, ground hornbills, hoopoes and wood hoopoes. These birds were previously classified as members of Coraciiformes.
Bucerotiformes Upupidae – hoopoes
Phoeniculidae – wood hoopoes
Bucorvidae – ground hornbills
Bucerotidae – hornbills" - (en.wikipedia.org 18.09.2020)
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