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Helmeted hornbill
The helmeted hornbill is among the most bizarre birds in the world. This bird looks weird because it has a huge bill, which has a big protuberance on top known as a ‘casque’. The casque is so large that it usually makes the bird’s head to appear bald. Moreover, this queer bird has a large leathery patch on its neck that is not covered with any feathers. In females, this patch is blue and in males it is red.
