Aceros

The Narcondum Island protected area was created for the island's endemic hornbill, Aceros narcondami.

Andaman Islands rain forests 2008

Many of these are now rare in Thailand, including green peafowl Pavo muticus, red-headed vulture Torgos calvus, Kalij pheasant Lophura leucomelana, Burmese peacock-pheasant Polyplectron bicalcaratum, rufous-necked hornbill Aceros nipalensis and white-winged wooduck Cairina scutulata.

Huai Kha Khaeng Wildlife Sanctuary, Thailand 2008

Some of these species are Blyth's tragopan (Tragopan blythii), great hornbill (Buceros bicornis), wreathed hornbill (Aceros undulatus), and rufous-necked hornbill (Aceros mipalensis).

Northern Triangle subtropical forests 2008

The magnificent Sulawesi red-knobbed hornbill (Aceros cassidix) is endemic to Sulawesi island in the Wallacea Hotspot.

Biological diversity in Wallacea 2008

Several other species such as the great hornbill (Buceros bicornis), Austen's brown hornbill (Anorrhinus austeni), wreathed hornbill (Aceros undulatus), and crested argus (Rheinardia ocellata) are indicators of low disturbance levels and relatively intact forests.

Southern Annamites montane rain forests 2008

Four of these species are considered vulnerable: Sumba buttonquail (Turnix everetti), red-naped fruit-dove (Ptilinopus dohertyi), Sumba boobook (Ninox rudolfi), and Sumba hornbill (Aceros everetti).

Sumba deciduous forests 2008

One of the strict endemics, Aceros narcondami, is considered threatened (IUCN categories VU and above) and is found only on the small volcanic island of Narcondam.

Andaman Islands rain forests 2008

At least nine hornbill species are found in these forests and include the nearly extinct wrinkled hornbill (Aceros corrugatus).

Tenasserim-South Thailand semi-evergreen rain forests 2008

The hornbills are the plain-pouched hornbill (Aceros subruficollis), rufous-necked hornbill (Aceros nipalensis), great hornbill (Buceros bicornis), and brown hornbill (Anorrhinus tickelli).

Northern Indochina subtropical forests 2007

Several of the other hornbill species — wreathed hornbill (Aceros undulatus), brown hornbill (Anorrhinus tickelli), and great hornbill (Buceros bicornis) — are indicators of intact and mature habitat; these birds depend on tall, mature trees for nesting, without which the populations will decline.

Meghalaya subtropical forests 2007