Palawan hornbill | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Bucerotiformes |
Family: | Bucerotidae |
Genus: | Anthracoceros |
Species: | A. marchei |
Binomial name | |
Anthracoceros marchei Oustalet, 1885 | |
Palawan hornbill range |
The Palawan hornbill (Anthracoceros marchei) is a large forest bird endemic to the Philippines. It is one of the 11 endemic hornbills in the country. It is only found in Palawan and nearby islands of Balabac, Busuanga, Calauit, Culion and Coron. It is locally known as "talusi" in the language Cuyunon. It is threatened by habitat loss, hunting and trapping for the cage-bird trade.
It is illegal to hunt, capture or possess these birds under Philippine Law RA 9147. [3]
It's described as large bird (approximately 70 centimetres (28 in) long, weighing 750 grams (26 oz), more than 92% of bird species) of lowland and foothill forest on Palawan and neighbouring islands. Its plumage is entirely black except for a white tail and a long, thick, pale cream-colored bill and casque. Whitish bare skin around the eyes and across the throat is tinged blue. Female has a smaller bill and casque. Unmistakable. The only hornbill in its range. Voice is a raucous cackling which can be transcribed as kaaww and kreik-kreik." [4]
They exhibit sexual dimorphism in which males have more prominent casques and bills and an overall larger size than females.
Among the Philippine hornbills, it is most closely related to the Sulu hornbill but is differentiated by its white bill and face versus the Sulu hornbill's jet black features.
The Palawan hornbill consumes mostly fruit, but also occasional insects and vertebrates. Due to its large size and home range, it is an important vector of seed dispersal for large-seeded trees. Many ground-dwelling seed-eating mammals live beneath such trees, and in areas where hornbills have become rare, consume such a large percentage of the fallen seeds that they threaten the trees' survival. [5] [6]
It is usually seen in pairs or small noisy family groups, and it has a communal roosting site. It is most usually observed in fruiting trees at the forest edge, but also feeds on insects and small reptiles.
It inhabits primary and secondary dipterocarp forest, mangrove swamps and forest edge up to 900 meters above sea level. It has also occasionally been recorded visiting farmland and cultivations. It requires large trees for nesting. While they can tolerate secondary forest, they have the highest population densities and health in primary (old-growth) forest [7]
It is officially classified as vulnerable with the population estimated at 2,500 to 9,999 mature individuals remaining with its numbers have reduced by at least 20% in the last 10 years due to habitat destruction, hunting for food, and the live bird trade. It is threatened by habitat destruction through logging, conversion into agricultural land or urban development and mining.
The species is present in conservation areas - the entirety of Palawan has been designated a biosphere reserve but actual protection and enforcement against logging and hunting has been difficult. There are populations in several other protected areas such as Puerto Princesa Subterranean River National Park, El Nido Marine Reserve and others. It is listed in CITES as Appendix II.
Conservation actions proposed include surveys in remaining lowland forests throughout its range. Seek greater control of the cage-bird trade and assess its impacts. Research its ecological requirements and conduct nest protection schemes. Support the proposed extension of Puerto Princesa Subterranean River National Park and formally protect the forests at Iwahig Prison and Penal Farm. Carry out awareness campaigns regarding the protected status of the species. Allocate greater resources towards more effective control of hunting in Palawan forests and initiate conservation awareness campaigns amongst forest product collectors. [8]
Hornbills are birds found in tropical and subtropical Africa, Asia and Melanesia of the family Bucerotidae. They are characterized by a long, down-curved bill which is frequently brightly coloured and sometimes has a horny casque on the upper mandible. Hornbills have a two-lobed kidney. They are the only birds in which the first and second neck vertebrae are fused together; this probably provides a more stable platform for carrying the bill. The family is omnivorous, feeding on fruit and small animals. They are monogamous breeders nesting in natural cavities in trees and sometimes cliffs. A number of mainly insular species of hornbill with small ranges are threatened with extinction, mainly in Southeast Asia.
The red-vented cockatoo, also known as the Philippine cockatoo and locally katala, abukay, agay, or kalangay, is a species of cockatoo. It is endemic to the Philippines, formerly found throughout the entire country, but due to the illegal wildlife trade, it is now locally extinct in most of its range with the only sizeable population remaining in Palawan and Sulu Archipelago. Remnant populations occur in Polillo Islands, Bohol, and Samar. It is roughly the size and shape of the Tanimbar corella, but is easily distinguished by the red feathers around the vent. It is threatened by habitat loss and the cage-bird trade.
The Visayan hornbill is a hornbill found in tropical moist lowland forests of the Philippines in the Western Visayas region which includes the islands of Panay, Negros and formerly as well as the island of Masbate, and formerly Ticao, in the Philippines. As is the case with all five Philippine tarictic hornbills, formerly considered to be just one species.It is declining due to habitat destruction, hunting and the illegal wildlife trade.
Walden's hornbill locally called dulungan, also known as the Visayan wrinkled hornbill, rufous-headed hornbill or writhe-billed hornbill, is a critically endangered species of hornbill living in the rainforests on the islands of Negros and Panay in the Philippines. It is closely related to the writhed hornbill, but can be recognized by the yellow throat and ocular skin in the male, and the blue throat and ocular skin in the female. Its binomial name commemorates the Scottish ornithologist Viscount Walden.
The Mindanao hornbill, also known as the Mindanao tarictic hornbill, is a medium-small species of hornbill found in the canopy of rainforests on Mindanao, Dinagat, Siargao and Basilan in the southern Philippines. All five Philippine tarictics were once considered a single species. Its population declining due to habitat destruction, hunting and the illegal wildlife trade.
The Puerto Princesa Subterranean River National Park is a protected area in the Philippines.
The Palawan peacock-pheasant is a medium-sized bird in the family Phasianidae endemic to the island of Palawan in the Philippines. The spectacular male has a black body with blue marks on the wings, a grayish, finely speckled back and tail with blue peacock “eyes,” white marks on the face, and a red eye-ring. Females are mostly brown but with a white face. It is known as tandikan in the some local Palawano, Tagbanwa, and Batak languages of Palawan. It is featured prominently in the culture of the indigenous people of Palawan. The bird is also depicted in the official seal of the city of Puerto Princesa.
Bucerotiformes is an order of birds that contains the hornbills, ground hornbills, hoopoes and wood hoopoes. These birds were previously classified as members of Coraciiformes. The clade is distributed in Africa, Asia, Europe and Melanesia.
The rufous hornbill, also known as the Philippine hornbill and locally as kalaw, is a large species of hornbill endemic to the Philippines. They are referred by locals as the "clock-of-the-mountains" due to its large booming call which typically occur of every hour. It occurs in moist tropical lowland forest. They are now considered to be a threatened species and its reasons for decline being habitat destruction, hunting and poaching for the illegal pet trade.
The blue-headed racket-tail, also known as the Palawan racket-tail and locally as kinawihan, is a parrot found in the western Philippines around Palawan. The species was formerly considered conspecific with the blue-crowned racket-tail. It is locally known as 'kilit'. It inhabits humid lowland forest in small flocks. It is threatened by habitat destruction and limited trapping for the cage-bird trade.
The Philippine serpent eagle is an eagle found in the major islands of the Philippines. It is sometimes treated as a race of the crested serpent eagle. This species is usually found in forest clearings, open woodlands, and sometimes in cultivated lands with scattered trees. It is endemic to the Philippines. The species is found on most part of the major islands, except for Palawan.
The black hornbill is a species of bird of the hornbill family Bucerotidae. It lives in Asia in Brunei Darussalam, Indonesia, Malaysia, Singapore, Thailand.
The writhed hornbill, also known as the Mindanao wrinkled hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to primarily lowland forests on the Philippine islands of Mindanao, Dinagat and Camiguin Sur. It formerly included the Walden's hornbill as a subspecies, but unlike that species, both sexes of the writhed hornbill have orange-red throat and peri-ocular skin. The writhed hornbill is threatened by habitat loss and hunting.
The oriental pied hornbill is an Indo-Malayan pied hornbill, a large canopy-dwelling bird belonging to the family Bucerotidae. Two other common names for this species are Sunda pied hornbill (convexus) and Malaysian pied hornbill.
The Sulu hornbill, or Montano's hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to the Sulu archipelago in the Philippines, with the remaining populations in Tawi-Tawi with it believed to be hunted to extinction on Jolo. Its natural habitat is tropical moist forests. It is threatened by habitat loss as well as potential harvesting for food. Its diet includes fruit, insects, and small lizards.
The brown-cheeked hornbill is a species of hornbill in the family Bucerotidae. It is found in Ivory Coast, Ghana, Guinea, Liberia, Sierra Leone, and Togo. Its natural habitats are tropical and subtropical moist broadleaf forests, plantations, and secondary growth forests. It is threatened by habitat destruction, as timber is harvested and the forests become increasingly fragmented.
The Luzon hornbill, sometimes called Luzon tarictic hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to forests on Luzon and nearby islands in the northern Philippines. All five Philippine tarictics were once considered a single species. It is declining due to habitat destruction, hunting and the illegal wildlife trade.
The Mindoro hornbill is a species of hornbill in the family Bucerotidae. It is endemic to forests on Mindoro in the Philippines found in tropical moist lowland forests. As is the case with all five Philippine tarictic hornbills, formerly considered to be just one species. It is the only tarictic hornbill where both sexes are creamy-white and black. The sexes are very similar, differing primarily in the colour of the ocular ring. It is threatened by habitat loss, and is consequently considered endangered by the IUCN.
The flame-breasted fruit dove is a species of bird in the family Columbidae. It is endemic to the Philippines where it is only found in the mountains of Luzon. It is the largest fruit dove in the country and rivals the size of Imperial pigeons. It is identified with its red hood, black wings with a red patch on its secondaries and its unmistakable flame-coloured breast. Its natural habitats are in upper areas of the tropical moist lowland forest and in mid to upper montane forest. It is threatened by habitat loss, poaching for the pet trade and hunting for food.
The Palawan flycatcher is a species of bird in the family Muscicapidae. It is endemic to the Philippines found only in the region of Palawan. Its natural habitat is tropical moist lowland forests. It is threatened by habitat loss.
{{cite web}}
: CS1 maint: numeric names: authors list (link)