S455 * Trumpeter Hornbill * Gewone Boskraai * Bycanistes Bucinator

By Eric Kilby from Somerville, MA, USA - Hornbill on Branch https://commons.wikimedia.org/w/index.php?curid=30909407
Horingvoel
Sources:
(*) https://en.wikipedia.org/wiki/Trumpeter_hornbill
(*) https://ebird.org/species/truhor1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=truhor1