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- Aceros corrugatus
Description
From Wreathed Hornbill by smaller size,larger and more prominent reddish casque(in male) and black basal half of tail with the rest pale brownish.Bill yellowish;orbital skin blue. Male-White neck and gular pouch. Female-Black head and neck,pale blue gular pouch. Underwing flight pattern all black wings,belly, and basal halh of the tail with pale brownish tail distinctive. Size-81cm.