18.https   www inaturalist org photos 1988318
Johnny Wilson   cc-by-nc-4.0

hornbills and relatives is a group of bird. There are 75 species of hornbills and relatives, in 20 genera and 5 families. Bucerotiformes (hornbills and relatives) includes groups like Hoopoes, Ground-hornbills, and Woodhoopoes.

EOL has data for 4 attributes, including:

Known occurrences, collected specimens and observations of hornbills and relatives