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The brightest colours on most hornbills, like this pair of knobbed hornbills, are found on the beaks and bare skin of the face and throat. Hornbills show considerable variation in size and colors. The smallest species is the black dwarf hornbill (Tockus hartlaubi), at 99.1 g (3.50 oz) and 32 cm (1 ft 1 in) in length. [3][4] The largest and most massive species appears to be the southern ground hornbill which has an average weight of 3.77 kg (8.3 lb), and can weigh up to 6.3 kg (14 lb) and ... Hornbill , (family Bucerotidae), any of approximately 60 species of Old World tropical birds constituting the family Bucerotidae (order Coraciiformes). They are noted for the presence, in a few species, of a bony casque, or helmet, surmounting the prominent bill. They are typically large-headed, Learn about the nine hornbill species found in India, their distinctive features, behaviour and ecological importance. See stunning images of these charismatic birds and how they are threatened by habitat loss and hunting. Female great hornbill Hornbills are birds in the families Bucerotidae and Bucorvidae. There are currently 62 extant species of hornbills recognised by the International Ornithologists' Union, two in Bucorvidae and 60 in Bucerotidae. [1] Many species of fossil hornbills are known from the Miocene onwards; however, their exact number and taxonomy are unsettled due to ongoing discoveries.
