Species of Thailand

Wreathed hornbill

Rhyticeros undulatus, George Shaw, 1811

(In Thai: นกเงือกกรามช้าง)

The wreathed hornbill (Rhyticeros undulatus), also known as the bar-pouched wreathed hornbill, is a species of hornbill found in forests from far north-eastern India and Bhutan, east and south through mainland Southeast Asia and the Greater Sundas in Indonesia, except Sulawesi. It is 75 – 100 cm long. Males weigh from 1.8 kg to 3.65 kg, and females weigh from 1.36 kg to 2.7 kg. Both sexes are similar to the respective sexes of the closely related plain-pouched hornbill, but the wreathed hornbill can be recognized by the dark bar on the lower throat (hence the alternative common name, bar-pouched). Though commonly considered monotypic, evidence suggests some geographical variation in the appearance. The wreathed hornbill has escaped or been deliberately released in to Florida, USA, but there is no evidence that the population is breeding and may only persist due to continuing releases or escapes.

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Category / Seasonal Status

BCST Category: Recorded in an apparently wild state within the last 50 years

BCST Seasonal status: Resident or presumed resident

Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Bucerotiformes
Family
Bucerotidae
Genus
Rhyticeros
Species
Rhyticeros undulatus

Common names

  • Thai: นกเงือกกรามช้าง

Synonyms

  • Aceros undulatus

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Vulnerable (IUCN3.1)

Vulnerable (BirdLife)

Vulnerable (IUCN3.1)

Vulnerable (ONEP)

Vulnerable (IUCN3.1)

Vulnerable (BCST)

Photos

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Wreathed hornbill
Wreathed hornbill
Wreathed hornbill

Range Map

Distribution map of Wreathed hornbill, Rhyticeros undulatus in Thailand
  • Bang Lang National Park
  • Chiang Dao Wildlife Sanctuary
  • Hala-Bala Wildlife Sanctuary
  • Hat Yai District, Songkhla
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Krachan National Park
  • Kaeng Krung National Park
  • Khao Ang Rue Nai Wildlife Sanctuary
  • Khao Banthat Wildlife Sanctuary
  • Khao Luang National Park
  • Khao Phra - Bang Khram Wildlife Sanctuary
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai National Park
  • Khlong Nakha Wildlife Sanctuary
  • Khlong Phanom National Park
  • Khlong Saeng Wildlife Sanctuary
  • Ko Phra Thong
  • Kromluang Chumphon Wildlife Sanctuary
  • Kui Buri National Park
  • Mae Wong National Park
  • Mueang Krabi District, Krabi
  • Mueang Tak District, Tak
  • Nam Nao National Park
  • Pang Sida National Park
  • Phu Khiao Wildlife Sanctuary
  • Sai Yok District, Kanchanaburi
  • Sri Phang-nga National Park
  • Tarutao National Marine Park
  • Tat Mok National Park
  • Thale Ban National Park
  • Thong Pha Phum National Park
  • Thung Yai Naresuan Wildlife Sanctuary
  • Ton Nga-Chang Wildlife Sanctuary
  • Wang Mai Forest Restoration Project
Range map of Rhyticeros undulatus in Thailand