By Derek Keats from Johannesburg, South Africa - Crowned hornbill, Tockus alboterminatus https://commons.wikimedia.org/w/index.php?curid=50730677
Horingvoel
Sources:
(*) https://en.wikipedia.org/wiki/Crowned_hornbill
(*) https://ebird.org/species/crohor1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=crohor1