Southern Ground-hornbill
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| Southern Ground-hornbill | ||||||||||||||||
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| Bucorvus leadbeateri (Vigors, 1825) |
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Bucorvus cafer (Vigors, 1825) |
The Southern Ground-hornbill, Bucorvus leadbeateri or cafer, is one of two species of ground-hornbill and is the largest species of hornbill.
It is a large bird, at 90 to 129 cm (36 to 51 in) long and a weight of 3.2 to 6.2 kg (7 to 13.6 lbs). It is characterized by black coloration and vivid red patches of bare skin on the face and throat (yellow in juvenile birds). The white tips of the wings (primary feathers) seen in flight are another diagnostic characteristic. The beak is black and straight and presents a casque, more developed in males. Female Southern Ground-hornbills are smaller and have violet-blue skin on their throats.
Its habitat comprises savannahs, woodlands and grasslands. It can be found from northern Namibia and Angola to northern South Africa to Burundi and Kenya. The Southern Ground Hornbill is a vulnerable species, mainly confined to national reserves and national parks. They live in groups of 5 to 10 individuals including adults and juveniles. Often, neighbouring groups are engaged in aerial pursuits. They forage on the ground, where they feed on reptiles, frogs, snails, insects and mammals up to the size of hares. Juveniles are dependent on adults for 6 to 12 months.
The other species of the genus Bucorvus is the Abyssinian Ground-hornbill, B. abyssinicus.
[edit] References
- BirdLife International (2004). Bucorvus cafer. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 August 2006. Database entry includes justification for why this species is of least concern
- Kemp, Alan (2003). "Hornbills", in Christopher Perrins (Ed.): Firefly Encyclopedia of Birds. Firefly Books, 384–389. ISBN 1-55297-777-3.
- Maclean, Gordon Lindsay. Roberts' Birds of South Africa, 6th Edition
- Zimmerman, Dale A., Donald A. Turner, and David J. Pearson (1999). Birds of Kenya and Northern Tanzania. Princeton University Press, 78–79, 397. ISBN 0-691-01022-6.
[edit] External links
- Southern Ground Hornbill videos on the Internet Bird Collection
