By DickDaniels (http://theworldbirds.org/) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=33536618
Horingvoel
Sources:
(*) https://en.wikipedia.org/wiki/Southern_red-billed_hornbill
(*) https://ebird.org/species/srbhor1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=srbhor1