noun🔗ShareCalaoAny of various birds of the family Bucerotidae, with bills resembling a cow's horn. Many species have a casque above the bill, and many imprison their young in a tree."While hiking in the rainforest, we were lucky enough to spot a hornbill with its large, curved bill and the female sealed inside a tree cavity, protecting her chicks. "En randonnée dans la forêt tropicale, nous avons eu la chance d'apercevoir un calao avec son grand bec courbé et la femelle scellée à l'intérieur d'une cavité d'arbre, protégeant ses petits.animalbirdbiologynatureorganismChat with AIVocabulary GamePractice Reading