Reines said that while hornbills may superficially resemble toucans, they are not closely related. “They are more closely related to birds like kingfishers and hoopoes, they come from Asia and A ...
All hornbill species have a unique structure called a casque on their bills. But, the rhinoceros hornbill boasts one of the most striking casques. Crested Couas adults have plain black beaks.
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