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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 span about 180 cm (5 ft 11 in) across the wings.
It is the heaviest, but not the longest, Asian hornbill. [9] [10] With the separation of the ground hornbills into a separate family, Bucorvidae, the great hornbill reigns as the heaviest of all typical hornbills. [9] [11] Females are smaller than males and have bluish-white instead of red eyes, although the orbital skin is pinkish. Like other ...
Knobbed hornbill Sulawesi, Buton, Lembeh, Togian and Muna Island. An undescribed extinct hornbill species from Lifou in the Loyalty Islands , living until at least some 30,000 years ago, was initially placed in Aceros , but its biogeography places it with the species now in Rhyticeros (Steadman, 2006).
The eastern long-tailed hornbill (Horizocerus cassini) is a species of bird in the hornbill family Bucerotidae found in humid forests of West Africa. It was formerly considered to be conspecific with the western long-tailed hornbill ( Horizocerus albocristatus ) with the English name "white-crested hornbill".
A male wreathed hornbill was fitted with a GPS tracking unit in Pakke Tiger Reserve during the breeding season; it moved a mean minimum daily distance of 24.8 km (15.4 mi) and dispersed seeds for up to 10.8 km (6.7 mi) from its nesting site. [21] Home ranges of the wreathed hornbill and other hornbill species overlap in several range countries.
Bucerotiformes / b j uː ˈ s ɛ r ə t ɪ f ɔːr m iː z / is an order of birds that contains the hornbills, ground hornbills, hoopoes and wood hoopoes. [1] These birds were previously classified as members of Coraciiformes .
The Eastern yellow-billed hornbill (Tockus flavirostris), also known as the northern yellow-billed hornbill, [1] is a species of hornbill in the family Bucerotidae. It is found in Djibouti , Eritrea , Ethiopia , Kenya , Somalia , South Sudan , Tanzania , and Uganda .
Hornbills in the genus Buceros include some of the largest arboreal hornbills in the world, with the largest being the great hornbill.All the hornbills in this genus have a large and hollow bony casque on their upper beak that can be useful to scientists and bird watchers to recognise their age, sex and species.