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The Sri Lanka grey hornbill (Ocyceros gingalensis) is a bird in the hornbill family and a widespread and common endemic resident breeder in Sri Lanka. Hornbills are a family of tropical near-passerine birds found in the Old World .
Recent genetic data show that ground hornbills and Bycanistes form a clade outside the rest of the hornbill lineage. [6] They are thought to represent an early African lineage, while the rest of Bucerotiformes evolved in Asia.
The Indian grey hornbill is a medium-sized hornbill, measuring around 61 cm (24 in) in length. [3] The upper parts are greyish brown and there is a slight trace of a pale supercilium. The ear coverts are darker. The flight feathers of the wing are dark brown with a whitish tip. The tail has a white tip and a dark subterminal band.
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. Many species of fossil hornbills are known from the Miocene onwards; however, their exact number and taxonomy are unsettled due to ongoing discoveries. Conventions ...
The African grey hornbill (Lophoceros nasutus) is a member of the hornbill family of mainly tropical near-passerine birds found in the Old World. It is a widespread resident breeder in much of sub-Saharan Africa and the southwest of the Arabian Peninsula . [ 2 ]
The Narcondam hornbill (Rhyticeros narcondami) is a species of hornbill in the family Bucerotidae. It is endemic to the Indian island of Narcondam in the Andamans. Males and females have a distinct plumage. The Narcondam hornbill has the smallest home range out of all the species of Asian hornbills.
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[11] Least concern Cattle egret. Bubulcus ibis: Bubulcus ibis coromandus: Resident Least concern Indian pond-heron. Ardeola grayii: Resident Least concern Chinese pond-heron. Ardeola bacchus: Least concern (A) Striated heron. Butorides striata: Resident Least concern Black-crowned night-heron. Nycticorax nycticorax: Nycticorax nycticorax ...