![Bucerotidae, Print, The hornbills (Bucerotidae) are a family of bird found in tropical and subtropical Africa, Asia and Melanesia. They are characterized by a long, down-curved bill which is frequently brightly colored Bucerotidae, Print, The hornbills (Bucerotidae) are a family of bird found in tropical and subtropical Africa, Asia and Melanesia. They are characterized by a long, down-curved bill which is frequently brightly colored](https://c8.alamy.com/comp/2A2M47W/bucerotidae-print-the-hornbills-bucerotidae-are-a-family-of-bird-found-in-tropical-and-subtropical-africa-asia-and-melanesia-they-are-characterized-by-a-long-down-curved-bill-which-is-frequently-brightly-colored-and-sometimes-has-a-casque-on-the-upper-mandible-both-the-common-english-and-the-scientific-name-of-the-family-refer-to-the-shape-of-the-bill-buceros-being-cow-horn-in-greek-hornbills-have-a-two-lobed-kidney-they-are-the-only-birds-in-which-the-first-and-second-neck-vertebrae-the-atlas-and-axis-respectively-are-fused-together-this-probably-provides-a-more-stable-2A2M47W.jpg)
Bucerotidae, Print, The hornbills (Bucerotidae) are a family of bird found in tropical and subtropical Africa, Asia and Melanesia. They are characterized by a long, down-curved bill which is frequently brightly colored
![Rainforest Trust on Twitter: "This unusual-looking bird is a Rhinoceros #Hornbill! Found in Southeast Asia, it gets its name from the bright horn-like structure on their head, called a casque. This casque Rainforest Trust on Twitter: "This unusual-looking bird is a Rhinoceros #Hornbill! Found in Southeast Asia, it gets its name from the bright horn-like structure on their head, called a casque. This casque](https://pbs.twimg.com/media/EP4F11xW4AICRsK.jpg)
Rainforest Trust on Twitter: "This unusual-looking bird is a Rhinoceros #Hornbill! Found in Southeast Asia, it gets its name from the bright horn-like structure on their head, called a casque. This casque
![By the Horns of Trioceros, the Casque of Calumma, the Brood of Bradypodion--Chameleons, Part 2 - Scientific American Blog Network By the Horns of Trioceros, the Casque of Calumma, the Brood of Bradypodion--Chameleons, Part 2 - Scientific American Blog Network](https://blogs.scientificamerican.com/blogs/assets/tetrapod-zoology/Image/Trioceros-deremensis-Benjamin-Klingebiel-CC-BY-SA-2-0-wikipedia-600-px-tiny-Feb-2016-Tetrapod-Zoology.jpg)