A genus of large Asian hornbills with massive curved bills and distinctive casques (helmet-like growths) on their heads.
From Greek 'bous' (ox) + 'keras' (horn), meaning 'ox-horned,' describing the massive horn-like bill and casque these birds possess.
Hornbills seal their mates inside tree cavities with mud, leaving only a small opening for feeding—it's one of nature's most remarkable monogamous partnerships!
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